The workhorse of conventional solar power, silicon solar cells, could soon be cheap and efficient enough to beat fossil fuels.
U.N. negotiations are going nowhere, and greenhouse-gas emissions are soaring. It’s time to move on.
Huge differences in renewable energy and natural gas potential influenced the EPA’s proposed carbon regulations.
A new way to make the most efficient and powerful types of solar cells could help solar power compete with fossil fuels.
A startup called Infinium promises to reduce a troubling source of carbon emissions.
The EPA’s emissions targets will accelerate the use of natural gas in states that have resisted alternatives to coal.
Long considered a problematic way to reduce carbon emissions, regulations may be our best option.
A new type of flow battery could allow renewable-energy developers to store power until it’s most valuable.
A recent demonstration involving two trucks tethered by computer control shows how automation and vehicle-to-vehicle communication are creeping onto the roads.
Although major reports conclude that avoiding climate change is affordable, costs could skyrocket without smart, immediate action.