Topic: Union of Concerned Scientists
President Obama also orders tougher fuel efficiency standards for cars and trucks.
05/21/2010 01:43 pm
New emission caps on greenhouse gases will add $950 to car prices but save $4,000 in fuel over the life of the car, the government says.
04/02/2010 05:20 pm
US gives carbon emission credits for hybrid, electric, and other alternatively fueled cars. The loophole is aimed at spurring the alternative technology.
04/01/2010 07:31 pm
The Obama administration set the first-ever greenhouse gas emission limits for US cars Thursday. To meet them, gas mileage standards must increase 40 percent to 35.5 miles per gallon.
04/01/2010 04:30 pm
Miniature, mass-produced nuclear power plants, along with other alternative energy sources, can help the US address global warming, says Energy Secretary Steven Chu. Critics see that plan as raising the risk of proliferation of nuclear materials.
03/30/2010 02:55 pm
China is building the Tiangong 1, or Heavenly Palace, to join the International Space Station in permanent orbit in 2011. Both China and the US are wary of working too closely, even in space.
03/26/2010 11:18 am
Currently, the US has no permanent disposal site for nuclear waste. A new presidential commission is exploring ways to solve the problem of storing highly radioactive spent nuclear fuel.
03/22/2010 01:28 pm
In announcing $8.3 billion in loan guarantees for the first new nuclear reactors in the US in 30 years, Obama is setting the stage for a nuclear power comeback. But many challenges lie ahead.
02/16/2010 05:57 pm
With help from a climate-conscious nordic town, four U.S. families lessen their carbon footprint.
02/10/2010 02:46 pm
Obama wants to triple public financing for new nuclear power plants, even as he nixes funds for storing commercial radioactive waste. The policy may be calculated to win votes for climate change legislation, but critics say it's not 'coherent' and carries new security risks.
02/04/2010 01:33 pm