A new report warns of the dangers of relying on biofuels to reduce carbon emissions and oil consumption.
Demand for corn-derived fuel is driving up food prices, but new technologies could help.
Creating and ordering my greeting cards online was easy, but the layers of packaging make me wonder if I’ve damaged the earth in the process.
A new startup combines multiple Web services in order to painlessly glean a simple answer from the Internet.
Will a new low-price, high-def video camera make traditional still cameras obsolete?
Software for multicore computers could add resolution to video in real time.
Heating and air-conditioning systems that use thermoelectrics could make plug-in hybrids more practical.
Companies want to let users carry their avatar identities online.