At the foot of a giant sequoia in California's Sierra Nevada, two arborists stepped into harnesses then inched up ropes more than 20 stories into the dizzying canopy of a tree that survived thousands of years, enduring drought, wildfire and disease.
Energy and Environment
The latest updates on energy and environment news, analysis and opinion covering energy policy and its impact on resources and climate.
By Dave Boyer - The Washington Times
Gas-guzzling motor homes that President Obama blames in part for climate change are the same vehicles the White House is cheering for spurring the economic recovery of an Indiana town where Mr. Obama will take a victory lap Wednesday. Published May 31, 2016
The United Nations has issued a plea for nations to fast-track ratification of the Paris Climate Agreement as some countries are backtracking on support for the deal's sweeping restrictions on greenhouse gas emissions.
New York state and Massachusetts are suing Volkswagen and its affiliates Audi and Porsche over diesel emissions cheating, alleging that the German automakers defrauded customers by selling diesel vehicles equipped with software allowing them to cheat emissions testing.
The U.S. government has issued a report on fuel economy and greenhouse gas standards for U.S. cars and trucks that were first established in 2012. The report Monday kicked off a two-year review process leading to a government decision on whether to leave the standards in place through 2025 or change them.
California authorities have made their first arrest linked to a drone operator who allegedly interfered with firefighters' efforts to battle wildfires.
A dead humpback whale that keeps washing up on the Southern California coast after being towed out to sea is proving to be a headache for beach officials.
Sen. Sheldon Whitehouse wants newspapers to stop publishing "extreme" and "phony" op-eds written by climate-change skeptics, blasting such articles as "industry propaganda."
The House Science Committee chairman issued subpoenas Wednesday to two Democratic attorneys general over their pursuit of climate-change dissenters after the prosecutors refused to respond to the panel's previous requests for information.
Congressional Democrats are riding to the rescue of the climate change movement after last week's embarrassing subpoena retreat, but the two-day campaign to vilify climate skeptics on the Senate floor has drawn comparisons to McCarthyism.
Congressional Democrats are riding to the rescue of the climate-change movement after last week's embarrassing subpoena retreat, but the two-day campaign to vilify climate skeptics on the Senate floor has already drawn comparisons to McCarthyism.
A Democrat-led coalition of attorneys general has entered into a confidentiality agreement to avoid disclosing public records related to their investigation into climate dissent, according to a document released Wednesday.
Critics are attacking as a "climate power play" a letter to Congress from 31 science associations advocating for domestic and natural-security policies predicated on climate change.
The expanding Antarctic sea ice, which has long confounded the climate-change movement, can be explained in large part by "natural climate fluctuations," according to a new study.
Former Vice President Al Gore said he is proud of his daughter, Karenna, for getting arrested at a pipeline protest in Boston this week.
A report from the Chesapeake Bay Stock Assessment Committee shows the blue crab population in the bay has grown, but still hasn't met target levels.
Pepco asked the District's utilities oversight board for a 5.25 percent rate increase Thursday, just two weeks after the Public Service Commission struck down a final challenge to Pepco's $6.8 billion merger with Chicago-based energy generator Exelon.
Virgin Islands Attorney General Claude E. Walker's retreat on his Exxon subpoena drew cheers Thursday from Republicans and free-speech advocates, but Mr. Walker insisted he has yet finished with pursuing climate-change dissenters.
Virgin Islands Attorney General Claude E. Walker agreed Wednesday to withdraw his climate-related subpoena of ExxonMobil, a stunning reversal that delivered a blow to the Democratic-led effort to prosecute climate change dissent.
The debate over prosecuting climate-change "fraud" has landed squarely in the lap of Hillary Clinton, who must now decide whether the Democratic Party platform will include a resolution urging the Justice Department to pursue climate dissent.
Volkswagen diesel owners can choose to either sell their car back to the company or get a repair that could diminish the vehicle's performance under a settlement of claims tied to the German automaker's emissions-cheating scandal.
Leading climate doomsayer Michael Mann recently downplayed the importance of climate change science, telling Democrats that data and models "increasingly are unnecessary" because the impact is obvious.
The New Mexico Attorney General has filed a bill of complaint with the U.S. Supreme Court against the state of Colorado over last year's Gold King Mine spill, arguing that Colorado contributed to the resulting contamination with its "reckless actions" and lax oversight.
An experimental solar-powered airplane landed in Spain Thursday, completing an unprecedented three-day flight across the Atlantic in the latest leg of its globe-circling voyage.
Even before a federal court ruling threw out the Obama administration's hydraulic fracturing rule this week, foes of fracking were struggling to dig their way out of a hole after a string of policy and regulatory reversals.
President Obama signed into law Wednesday sweeping new power for the Environmental Protection Agency to regulate thousands of toxic substances found in everyday products from household cleaners to toys and furniture.
In the latest rebuke of the Obama administration's expansive view of executive power, a federal judge has struck down the Interior Department's effort to regulate fracking for oil and natural gas.
Greenpeace co-founder Patrick Moore took a jab at the climate-change movement Monday with a study arguing that far from endangering life on Earth, increased greenhouse-gas emissions may be saving it.
President Obama took his family to two national parks over Father's Day weekend, in part to highlight the threat of global warming, while the National Park Service is drawing attention to a different kind of climate -- an atmosphere of sexual harassment and mismanagement.
Exxon Mobil Corp. moved this week to quash Massachusetts Attorney General Maura Healey's subpoena calling for 40 years of climate change communications with universities and free market groups, slamming the probe as a politically motivated fishing expedition.
A moderate earthquake hit the Palm Springs area early Friday and was felt across parts of Southern California, but there were no immediate reports of damage.
Whenever climate models overestimate temperatures linked to rising carbon dioxide levels in the atmosphere, scientists have pointed to a convenient fall guy: aerosols, which cool the planet and act as a counterweight to global warming.
An Oregon school board that banned books expressing climate-change "doubt" has come under fire from free-speech advocates who accuse the district of attempting to indoctrinate students by stifling debate.
The District of Columbia Retirement Board has divested its $6.4 billion pension fund from direct investments in 200 fossil-fuel companies, drawing kudos from climate-change groups even as critics dismissed the move as an "empty gesture."
Tropical Storm Colin was gaining speed and strength Monday on its way to strike Florida, threatening rains forecasters said could cause some serious flooding along much of the state's Gulf coast.
Army teams and other emergency crews searched along a Fort Hood creek for four soldiers still missing from a truck that overturned in the swift water, killing at least five and injuring three.
A landmark California bill gaining steam would make it illegal to engage in climate-change dissent, clearing the way for lawsuits against fossil-fuel companies, think-tanks and others that have "deceived or misled the public on the risks of climate change."
Floods inundating parts of France, Germany and Belgium have killed five people and trapped thousands in homes or cars, as rivers have broken their banks from Paris to Bavaria.
In the days after 20 professors fired off a letter urging President Obama to investigate climate skeptics for suspected federal racketeering charges, the climate change movement went into full damage-control mode.
Earth isn't the only planet grappling with climate change, although this other orb doesn't have much in the way of fossil fuel emissions or a 97 percent of scientific "consensus" on global warming.
The Coast Guard says the body of a man who was swept away while trying to rescue a woman in distress has been recovered near where he disappeared on the Texas Gulf Coast.
Mass bleaching has killed more than a third of the coral in the northern and central parts of Australia's Great Barrier Reef, though corals to the south have escaped with little damage, scientists said on Monday.
Virgin Islands Attorney General Claude E. Walker has withdrawn his subpoena of the Competitive Enterprise Institute after a rash of criticism over his investigation into climate-change dissenters.
Firefighters had to rush up a 300-foot boiler tower in the Mojave Desert on Thursday after a blaze broke out at the world's largest solar thermal power plant.
The Portland Public Schools board unanimously approved a resolution this week that bans textbooks and other teaching materials that deny climate change exists or cast doubt on whether humans are to blame.
The Environmental Protection Agency's move to add more ethanol to gasoline will wreak havoc on lawn mowers, snow blowers, boats and even cars, say critics.
Earth's heat is stuck on high. Thanks to a combination of global warming and an El Nino, the planet shattered monthly heat records for an unprecedented 12th straight month, as April smashed the old record by half a degree, according to federal scientists.
A massive landslide triggered by torrential rains buried homes in three villages in the central hills of Sri Lanka, and more than 200 families were missing Wednesday and feared buried under the mud and debris, the Sri Lankan Red Cross said.
The Competitive Enterprise Institute asked a federal court Monday to fine the Virgin Islands Attorney General over his investigation into the free-market nonprofit's climate-change dissent after he agreed to withdraw his subpoena.
The Alabama and Texas attorneys general called Monday for a state court to end a climate-change investigation into ExxonMobil, describing the Virgin Islands probe as an abuse of prosecutorial power driven by ideology.
It turns out that the George Mason University professors calling for a federal racketeering probe into climate skepticism engaged in a little colluding of their own.
After winning an $800 million settlement last year against Hess Oil, Virgin Islands Attorney General Claude E. Walker was eager to find what he described as other litigation "targets."
The Obama administration rocked the energy sector Thursday by unveiling a finalized methane standard even tougher than the one proposed last year in the name of combating climate change.
Tornadoes destroyed homes, overturned vehicles and stripped the bark from trees as they churned across Oklahoma, part of a strong series of storms that hit the Plains.
A Wyoming rancher facing $20 million in fines for building a stock pond on his property has settled his lawsuit with the Environmental Protection Agency in a deal that allows him to keep his watering hole and his money.
The White House showed "bad faith" in how it handled an open records request for global warming data, a federal court ruled Monday, issuing yet another stinging rebuke to the administration for showing a lack of transparency.
Brookland Middle School has garnered national recognition for its sustainable energy features, and it received some international attention Thursday, when U.N. Secretary-General Ban Ki-moon visited the Northeast school.
Hillary Clinton's pitch to voters in Appalachia fell flat this week, and she is in real danger of losing the West Virginia primary to Sen. Bernard Sanders next week -- but analysts say the former first lady has deeper problems in coal country that could spill into the general election.
A woman has been found alive after six days in a collapsed building and rescuers are working to free her, a Kenyan government official said Thursday.
Alberta declared a state of emergency Wednesday as crews frantically held back wind-whipped wildfires that have already torched 1,600 homes and other buildings in Canada's main oil sands city of Fort McMurray, forcing more than 80,000 residents to flee.
Donald Trump says he would bring back lost coal-mining jobs, and he is positioning for the November election in big coal states by portraying Hillary Clinton as a job killer.
Recent Opinion Columns
When taxpayers lost more than a half-billion dollars on the failed solar manufacturer Solyndra, they were understandably upset. But Solyndra isn't the only corporate body in the graveyard of green bankruptcies. And more are surely on the way.
Now will the climate-change swindlers shut up?
Farmers are now the bad guys. President Obama's administration last week claimed dominion over all of America's streams, creeks, rills, ditches, brooks, rivulets, burns, tributaries, criks, wetlands -- perhaps even puddles -- in a sweeping move to assert unilateral federal authority.
In November, comments closed on a proposal by the Environmental Protection Agency and the U.S. Army Corps of Engineers to redefine "waters of the United States," as set forth in the Clean Water Act of 1977. While Sen. Edmund Muskie, Maine Democrat, author of the 1977 law, required 88 pages for his entire statute, this spring's Federal Register notice ran 370 pages, not counting appendixes, one of which hit 300 pages alone. Little wonder the new "wetland" rules have generated controversy and a likely Supreme Court case.
The latest disgrace out of Capitol Hill in this lame-duck session is the "tax extenders" bill. This has become an annual Washington ritual with Congress waiting until the very last minute to approve dozens of expiring tax credits, deductions and loopholes. It is a microcosm of everything wrong with the way Congress operates.
The PTC truly is crony capitalism in its finest form.
If you think President Obama's unilateral exercise of executive powers granting near-blanket amnesty to illegal immigrants was an abuse of power, get a load of what this administration is doing over at the Environmental Protection Agency.
From The Vault
Claiming a key victory in the fight to escape reliance on foreign fuel, the Obama administration announced Wednesday that domestic oil production surpassed imports for the first time in nearly two decades.
Failing to heed the lessons of the Solyndra debacle, Energy Department officials kept quiet about their knowledge that a government-backed electric car charger company was sliding toward bankruptcy and putting taxpayer money at risk, the agency's chief watchdog has found.
The Keystone XL pipeline has been knocked out of the headlines in recent weeks, but debate over the project found new life on Capitol Hill this week.
The Energy Department's latest biomass plant is seeing plenty of green — it's environmentally friendly and it's costing taxpayers a wad of money.
In a possible sign that New York State won't be allowing fracking anytime soon, drilling giant Chesapeake Energy reportedly has abandoned its fight to retain land leases in portions of the state sitting atop vast natural gas reserves.
BP is seeking to stop paying millions of dollars in what it calls spurious compensation claims stemming from the catastrophic 2010 oil spill in the Gulf of Mexico.
To John LaRue, the renaissance in U.S. manufacturing is no dream. It's already here.
It's been almost 17 years, but educators have called for national teaching guidelines for science in schools around the nation — and they want part of the curriculum to focus on climate change and evolution.
Congress is warning gas prices — already on the upswing, these past few weeks — could go even higher, given an Environmental Protection Agency mandate on renewable fuels that's about to take effect.
Several think tanks will hold a conference Thursday linking the Arab Spring to global warming.
Millions of dollars already have been spent, and much more soon will be dumped into a litany of studies looking at fracking's impact on water and air quality and at possible links to cancer and other diseases.