It has been a weird wacky winter, with crazy, hot temperatures smashing hundreds of records.
Activists in Mexico are protesting pollution by placing gas masks on statues of Mexican heroes.
Slash and burn practices in northern Thailand leave one lone green tree in a sea of brown.
A miko, or shrine maiden, walks as snow falls at the Meiji Shrine in Tokyo, Japan.
In the coming decades, warmer temperatures could hamstring California's hydropower source in the Pacific Northwest.
A map illustrating the high probability of thunderstorms for the Eastern U.S. for Friday
Delicate ice crystals are formed from the snow during a cold, calm night.
A powerful storm spawned deadly tornadoes, at the same time as blizzard conditions pummeled the Upper Midwest.