Massachusetts is considering classifying wood pellets and other tree products as renewable energy.
The Southwest's monsoons are becoming more intense, even as less rain falls on average.
Heat and humidity will reach deadly extremes in South Asia if greenhouse gas emissions aren't curtailed.
Alphabet has joined a growing list of technology companies developing energy storage for renewables.
Move over, temperature spiral. A new animation shows what global warming looks like in more than 100 countries.
Volkswagen will build electric vehicle charging stations across California as part of an emissions settlement.
A new wind farm could become the largest in the U.S. and wean states off coal-fired power plants.
NASA has published new satellite imagery that reveals new details about the Larsen C iceberg.