All reports

Report

Jobs, Energy, and Fuel Economy

We estimated the effect of moving existing technologies into cars and trucks with the modest goal of reaching a fleetwide average of 35 miles per gallon (mpg) by 2018.
Report
Back view of a fleet of vehicles parked in a car sales lot

Automaker Rankings 2007

This analysis uses sales and global warming and smog-forming emissions data to rate the bottom-line environmental performance of eight companies.
Report

Cashing In on Clean Energy

Homegrown renewable energy resources—such as wind, solar, bioenergy, and geothermal—can help reduce our dependence on polluting fossil fuels.
Report
Wind turbine in Hull, MA at sunset

Wind energy is a vital climate solution

Electricity generation is the leading U.S. contributor to global warming because most of our energy comes from fossil fuels that emit CO2. Wind power is the most affordable option available today for new sources of power generation without emitting CO2.