The 540 cities included in a new study on average move 528 miles to the south climate-wise by 2080, if carbon emissions keep soaring.
Parts of the Arabian Gulf region -- a prime source of the oil that helps fuel climate change -- are most at risk of becoming uninhabitable for humans unless global warming is tackled.
Rich countries are failing to fulfill pledges to make billions of dollars available to help the developing world face climate change.
The third mass coral bleaching in recent history is underway as record ocean warmth creates a crisis in the tropics.
From algae to alloys, ingenuity in the world’s laboratories is fueling experiments to find new ways of providing viable sources of clean energy.
Scientists warn that densely packed cities face greater health hazards as greenhouse gases push up temperatures.
As electricity from renewable sources tops 25 percent in the U.K., the government is challenged to create a level playing field by scrapping nuclear and fossil-fuel subsidies.
Trees coming into leaf later and bumblebees with shorter tongues are just two of the impacts on nature that researchers are linking to global warming.
The chairman of the G-20 nations' Financial Stability Board says an orderly shift from fossil fuels to renewables is needed to avoid turmoil on world stock markets.
Researchers have developed a battery that uses a common food additive to enable abundant solar and wind power to be stored cheaply and safely in homes and offices.