Google is teaming up with an environmental group to map methane leaks from natural gas pipelines in US cities. Methane contributes to global warming, and Google hopes its new maps will encourage utilities to patch and replace old pipelines.
US ratepayers will pay 3 percent more for electricity this year – the biggest increase since 2008, according to US government projections. The higher prices come after a harsh winter that strained the Northeast's grid and boosted natural gas demand.
Researchers have presented an alternative nuclear reactor – one that floats on water. Although floating nuclear reactors at sea have some benefits, there are concerns with surrounding marine life and terrorism threats in the context of a post-Fukushima world.
Traditional desalination has meant turning seawater into drinking water. But new technologies not only improve desalination but open up ways to use agricultural water and industrial effluent too.
The EPA will unveil new regulations to reduce carbon dioxide emissions from power plants by 30 percent by 2030. The EPA power plant rules are the most aggressive of President Obama's Climate Action Plan and have already provoked heated debate over a complex issue.
Owning a personal power plant could be the next big home appliance. Here is how the idea might not be that far-fetched.
Warming climates and rising incomes will lead to a surge in cooling-related energy use, according to the latest report by the Intergovernmental Panel on Climate Change. It's one of several ways global warming is set to alter global energy supply and demand.