Scientists warn that densely packed cities face greater health hazards as greenhouse gases push up temperatures.
Coasts and communities in the Pacific region will face more extreme weather hazards as a changing climate magnifies the El Niño effect, scientists say.
A senior British politician says we face a humanitarian crisis on an immense scale if millions of people have to flee the impacts of global warming.
A lack of progress at the close of “unbearably tardy” negotiations in Bonn, Germany, undermines hopes of a meaningful deal being agreed upon at this year’s crucial U.N. climate summit.
Mapping the density of forests reveals that there are far more trees on the planet than previously thought -- but humans are destroying 15 billion a year.
Human impacts on global warming and water resources are threatening to turn the landscape of the U.S. West into a dust bowl.
Increasingly mild winters and an abundance of acorns and nuts have caused a population explosion among wild boar in Europe.
Highland tree species in the Andes are decreasing as global warming causes lowland varieties to migrate uphill into cooler climes -- perhaps to their own eventual demise.
New analysis of records stretching back 400 years to the observations of Renaissance scientist Galileo shows that global warming is not the result of solar activity.
Many countries that promised to cut greenhouse gas emissions under the 1997 Kyoto Protocol are now exceeding their targets, bringing new hope for success at the Paris climate talks.