Key greenhouse gas emitter Australia on Sunday announced it will scrap its carbon tax in favour of an emissions trading scheme that puts a limit on pollution from 2014, a year earlier than planned.
In parts of California's Sierra Nevada, marshy meadows are going dry, wildflowers are blooming earlier and glaciers are melting into ice fields.
To prevent coral reefs around the world from dying off, deep cuts in carbon dioxide emissions are required, says a new study from Carnegie's Katharine Ricke and Ken Caldeira. They find that all existing coral reefs will be ...
President Barack Obama signaled Tuesday that the Canada-US Keystone XL oil pipeline will be approved only if it does not increase emissions of the greenhouse gases that contribute to global warming.
Environmental groups said Tuesday that US President Barack Obama's plan to combat climate change is long overdue but not enough to reverse a global problem that is outpacing the solutions.
US President Barack Obama on Tuesday laid out a broad new plan to fight climate change, using executive powers to get around "flat earth" science deniers who have blocked action in Congress.
President Barack Obama is taking climate change efforts into his own hands, proposing sweeping steps to limit heat-trapping pollution from coal-fired power plants.
After being drained by the millions of acres to make way for agriculture, wetlands are staging a small comeback these days on farms. Some farmers restore or construct wetlands alongside their fields to trap nitrogen and phosphorus ...