The world is getting warmer, whatever the cause. According to an analysis by NASA scientists, the average global temperature has increased by about 0.8°Celsius (1.4° Fahrenheit) since 1880. Two-thirds
NASA scientists used GRACE data to identify regional trends of freshwater movement, and combined that information with data from other satellites, climate mo...
Before the Flood, presented by National Geographic, features Leonardo DiCaprio on a journey as a United Nations Messenger of Peace, traveling to five continents and the Arctic to witness climate chang
An explanation of how we know that humans are the major cause of global warming.