Alternative Energy Technology

Viable solar energy has been a long-sought-after goal, but with new and affordable technologies, we might soon be able to make the switch

Diverting just a portion of the world's food waste to waste-to-energy systems could free up large amounts of landfill space while powering vehicles and heating homes

The Minamata Convention, a United Nations pact launched Thursday, is designed to limit mercury use and emissions internationally

A survey finds little movement—and even some decline—in adopting technologies that can capture the primary greenhouse gas responsible for global warming

Converting from power plants from coal- to wood-fired may not deliver environmental benefits as advertised

Warming is global, but efforts at the local level make the most difference

There has never been a better time to renovate green, given the abundance of Earth-friendly building materials as well as contractors well-versed in energy- and resource-efficiency

Emblazoned with a sign that says "Save Kathmandu," battery-powered autorickshaws are among the smallest and least-familiar models in the world's growing fleet of electric vehicles

Burning synthetic natural gas may be cleaner, but making it results in enormous greenhouse gas emissions

Switching to natural gas and other alternatives may prove cost-effective and environmentally friendly

New technologies will be needed for photovoltaics to become cheap. David Biello reports

Three regions in California have now formally adopted transportation plans designed to reduce CO2 and other greenhouse gases