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Solar Geoengineering Could Be ‘Remarkably Inexpensive’ – Report
Cooling the Earth by injecting sun-blocking particles into the stratosphere could be “remarkably inexpensive”, according to the most detailed engineering analysis to date. The fear of a rogue nation or military force unilaterally taking control of the global climate is…

New Bear on the Block: Grizzlies Spotted in Black and Polar Bear Habitats
For the first time, scientists have observed three American bear species—the black bear, polar bear and grizzly bear—using the same habitat in Canada’s Wapusk National Park. “Scientifically, it has never been documented anywhere,” Doug Clark of the University of Saskatchewan told…

Slow Arctic Freeze Raises Risk of Polar Bear Extinction, Say Scientists
Record absence of ice after freak warm spells denies pregnant bears birthing dens and triggers ‘extirpation event’ warning. A record slow freeze of many regions of the Arctic this winter is making it harder for pregnant polar bears to find birthing dens.…

Government Approves Nottingham’s Plan to Tackle Air Pollution
It is the first local authority to have it approved as part of the government’s wider £3.5bn programme to reduce harmful emissions from road transport. The government has given the green light for Nottingham City Council to implement its new plan to…

What Are the Biggest Challenges for Saving the Oceans?
Oceans stretch across 70 percent of our planet, and the vast majority of the world beneath them is unmapped and unexplored. Their depths may still hold many secrets, but we know they face serious risks from overfishingand pollution. The biggest threat of…

Tropics Could Face Six Climate Disasters at Once by 2100
In a year that saw record-breaking heat waves, record-breaking hurricanes and record-breaking wildfires, it’s hard to imagine how the future could look any more like a disaster movie than the present. But that is exactly what researchers from the University of Hawaii at Mānoa…

Climate-Heating Greenhouse Gases at Record Levels, Says UN
Carbon dioxide, methane and nitrous oxide are far above pre-industrial levels. The main greenhouse gas emissions driving climate change have all reached record levels, the UN’s meteorology experts have reported. Carbon dioxide, methane and nitrous oxide are now far above…



