Climate scientists gathered Tuesday in Paris, five months before the deadline for a historic carbon-curbing pact, to show that a radical shift to sustainable energy can still limit disastrous planet warming.
Climate change is forcing fish out of their current habitats and into cooler waters and many more species will soon be affected if climate goals are not met, say scientists.
China's pledges ahead of a major climate change conference in Paris lack ambition and are easily achievable, experts said Wednesday, adding Beijing could offer more.
UN Secretary-General Ban Ki-moon said Monday that negotiations on climate change were moving too slowly and urged governments to quicken the pace ahead of the December conference on reaching a new global deal.
Brazil, China, India and South Africa voiced disappointment Sunday over the failure of rich countries to come up with billions of dollars needed to help them sign on to a landmark climate change deal.
The International Energy Agency on Monday warned temperatures could jump by as much as 4.3 degrees Celsius by the end of the century and urged countries to improve their pledges on reducing emissions.
Ethiopia has set targets to slash carbon emissions by two-thirds within the next 15 years, the most ambitious goal so far presented to an upcoming UN climate change conference in Paris.
France on Wednesday unveiled a list of companies which will sponsor the year-end UN climate talks in Paris, sparking accusations of corporate "greenwashing" from campaigners.
German Chancellor Angela Merkel and French President Francois Hollande jointly pledged Tuesday to do their utmost to ensure an "ambitious" UN deal to combat climate change is reached this year.
Building on California's ambitious effort to curb greenhouse gas emissions, Gov. Jerry Brown on Wednesday called on the state to further slash its carbon footprint over the next 15 years.