CANBERRA, Australia — THE concentration of carbon dioxide in the earth’s atmosphere recently surpassed 400 parts per million for the first time in three million years. ...
In a recent announcement, Westinghouse Nuclear and the China’s State Nuclear Power Technology Corp. declared a joint venture to develop small modular reactors -- submarine-...
A lot of what’s known about carbon dioxide in the atmosphere can be traced back to a chemist named Charles David Keeling, who, in 1958, persuaded the U.S. Weather Bureau to...
The banner that was unfurled in front of the Protea Hotel Edward in Durban, South Africa, in December 2011 is as good a place to start as any to grasp what much of the internatio...
Nearly everyone knows that college tuitions have been skyrocketing. Over the past quarter-century, tuitions have jumped 440 percent, nearly twice the rate of health care and thre...
We have to invest in technology to remove the CO2 already in the atmosphere....
“It’s as safe as Dawn dishwashing liquid.” That’s what Jamie Griffin says the BP man told her about the smelly, rainbow-streaked gunk coating the floor of...
The old rejoinder in the gun control debate that “guns don’t kill people, bullets kill people” takes on added resonance when the lead from ammo that didn’t ...
Gina McCarthy, Obama's pick to head EPA, gets grilled on climate change, regulations, and even instant messaging....
Three years ago, executives from a variety of groups that can’t stand being in the room with one another—forest companies, corporations that use forestry products and...
"Peak oil is dead," Rob Wile declared last week. Colin Sullivan says it has "gone the way of the Flat Earth Society", writing...
If Obama OKs the Keystone XL, it will exacerbate global warming and put the U.S. on the hook for spills and environmental degradation, all in service to one of the planet's dirti...
With the stock market hitting new highs, and unemployment easing, albeit slightly, President Obama can now seize his moment....
With the Keystone XL pipeline on its way to final approval and President Obama’s picks to head the Departments of Energy and Interior announced, deep-pocketed environmental...
California’s political leaders believe that their efforts to reduce greenhouse gases will slow climate change around the globe. Now they want to tackle a Herculean environme...
The Obama administration today rolled out a controversial new regulation for gasoline that could raise costs at the pump—only slightly, but enough to ignite immediate p...
U.S. coal giants' exports to Europe and Asia are up, and with that global greenhouse gas emissions rise, even if U.S. emissions are falling...
When Congress passed the Budget Control Act of 2011 in the midst of the debt-ceiling crisis and crushing gridlock, it was a small compromise, delaying economic catastrophe by kicki...
On the evening of March 23, 1.3 billion people will go without light at 8:30—and at 9:30, and at 10:30, and for the rest of the night—just like every other night of ...
Unless Congress takes immediate action, thedreaded sequester will take effect on Friday and automatic spending cuts, amounting to $85 billion, will take effect....
In the wake of the 2012 presidential election, some political commentators have written political obituaries of the "red" or conservative-leaning states, envisioning a brave new ...
Revolutionary extraction technologies have helped increase the supply of fossil fuels in the United States, driving down prices, spurring economic activity, and potentially...
First, it was 1,200 emails of the Washington Post daily headlines, Google alerts of everything written about the Environmental Protection Agency on a given day and a compendium ...
Thank you Chairman Harris and fellow members of the Environment Subcommittee for the opportunity to testify on the critically important but far too neglected topic of this hearin...
After much back and forth, James E. Hansen and I had agreed on a date to meet. Hansen, the director of NASA’s Goddard Institute for Space Studies, is the scientist most close...
Focusing on how it would contribute to emissions overshadows the large risk of spills -- and diverts attention from more effective ways to cut down on carbon....
A shockingly simple blueprint for big cities to save the planet without wrecking the economy....
You wouldn't have guessed it from all the theatrics of the 2012 election – like when Mitt Romney, who once stood in front of a coal-fired power plant and announced, "That plan...
President Barack Obama this week reaffirmed his desire to tackle the U.S. budget deficit through “a balanced mix of spending cuts and more tax reform.” As lawmake...
President Obama talks the talk when it comes to promoting job creation and economic growth, but he has not walked the walk, especially with regard to the Keystone XL pipeline.&nb...
In naming Sally Jewell as Interior secretary, President Obama lauded the REI boss as a woman who "knows the link between conservation and good jobs." Tell that to Kevin Lunny....
In his recent inaugural address, President Obama promised that “we will respond to the threat of climate change, knowing that the failure to do so would betray our children...
The taxation of different sources and uses of energy (particularly those that give rise to emissions of greenhouse gases) will play a key role in governments’ efforts to mi...
Fueling cars and trucks with natural gas may help reduce oil dependence even more than electric cars...
From January 2007 to January 2011, Colorado Governor Bill Ritter (D) pushed through the General Assembly a legislative package of 57 bills known collectively as the New Ene...
When President Barack Obama took office in January 2009, there was a long list of incomplete or ignored clean energy and public health measures from the George W. Bush administra...
One week away from President Barack Obama's second inaugural, the logical question to ask is: What's it all about?...
After Fukushima, is nuclear energy still the best way to fight climate change?...
Here at the Sierra Club, we tend to believe that if you have the power to drastically reduce air pollution and save lives, you should use it....
One of the foundational books of modern economics is An Inquiry into the Nature and Causes of the Wealth of Nations by Adam Smith. Smith elaborates on topics ranging from cur...
At 10:30 PM on New Year's Day, the House of Representatives passed the bill negotiated between Senate Republicans and the White House to address the "fiscal cliff." That package...
Let’s not smother the shale-gas boom. It is the crown jewel of the disappointing economic recovery. Why tamper with success? Yet, there are those who argue that benefits o...
The International Energy Agency recently confirmed what market watchers have been saying for a year: oil and gas production in the United States is surging and is expected to cont...
2012 has been a remarkable year. While millions of us were touched by the effects of coal pollution -- from contaminated waterways in Appalachia, to kids struggling with asthma n...