The Kansas renewable power mandate may become a victim of its own success.
The past 12 months, ending in April, were the warmest such stretch on record, going back 136 years.
The West should "climate proof" its power grid or risk electricity shortages, a new study says.
The Indian Ocean is home to most of the heat that oceans have trapped over the past decade.
Canada plans to cut its greenhouse gas emissions 30 percent below 2005 levels by 2030.
In a warming world, the black-legged tick (a.k.a. deer tick) is peaking in mid-May instead of June.
CO2 is about to reach its annual May peak, showing the seemingly inexorable rise in the greenhouse gas levels.
Scientists are starting to look at how warming might change the length of the hurricane season.
Sea level rise is accelerating, putting millions along the coast at risk of flooding.
The Arctic is returning to a warm period and the trend continues to show higher temperatures.
Global carbon dioxide levels have now officially reached the 400 ppm level, a first for the planet.
Thanks to NASA, you only need 30 seconds to see how the world has warmed over the past 135 years.
The average number of tornadoes in each state between 2005 and 2014.
U.S. energy consumption, greenhouse gases and the economy are no longer growing together.
The solar & wind innovations that got us where we are today & those waiting in the wings point to a hopeful future.
The government want more farmers turning waste methane into biogas. Here's how California is helping.
Greenhouse gases are trapping a lot of heat in the climate system and most of it is ending up in the ocean.
Here are four reasons to be hopeful on Earth Day when it comes to climate change.
Every state in the U.S. has warmed since the first Earth Day, although the rate of warming varies. Check out how much it’s warmed in your st…
A state-by-state analysis of U.S. temperature trends since the first Earth Day in 1970.