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It has already been established that climate change-specifically atmospheric carbon dioxide emitted by fossil fuel burning-has been acidifying the oceans, damaging fragile coral reefs and disturbing vulnerable marine ecosystems. But the McGill scientists discovered that carbon dioxide also has begun to drift to the ocean bottom, dissolving the very materials that help put the brakes on acidification.

ExxonMobil, Chevron and Occidental Petroleum join ten other major fossil fuel producers that say they recognise the goals of the Paris climate deal

ExxonMobil and other major oil companies, as well as several multinational firms in other sectors, are set to announce support for a tax on carbon emissions as a practical tool for fighting global warming. The firms argue that if energy produced from fossil fuels costs more, it will accelerate the market-driven transition to renewable energy and other sources that produce low carbon emissions.

Two counties and a city in California have filed separate Superior Court lawsuits against 37 oil and coal companies seeking damages related to fossil fuel development, which the communities allege has resulted in climate-related problems in their areas. Their lawsuits are "a first-of-its-kind challenge that some liken to the high-stakes litigation of the tobacco industry in the 1990s," writes Kurtis Alexander.

Two counties and a city in California have filed separate Superior Court lawsuits against 37 oil and coal companies seeking damages related to fossil fuel development, which the communities allege has resulted in climate-related problems in their areas. Their lawsuits are "a first-of-its-kind challenge that some liken to the high-stakes litigation of the tobacco industry in the 1990s," writes Kurtis Alexander.

Clean power supplied almost all of Germany's power demand for the first time on Sunday, marking a milestone for Chancellor Angela Merkel's "Energiewende" policy to boost renewables while phasing out nuclear and fossil fuels. Solar and wind power peaked at 2 p.m. local time on Sunday, allowing renewables to supply 45.5 gigawatts as demand was 45.8 gigawatts, according to provisional data by Agora Energiewende, a research institute in Berlin. Power prices turned negative during several 15-minute periods yesterday, dropping as low as minus 50 euros ($57) a megawatt-hour, according to data from Epex Spot.

In recent weeks, the large multinational Dutch bank ING and Norwegian bank DNB announced plans to sell off their stakes in loans funding the controversial Dakota Access Pipeline. The divestments came as activist investors stepped up their calls for banks and other financial institutions to stop financing projects related to fossil fuels development.

President Trump signed an executive order that targets key elements of U.S. climate strategy, including the Clean Power Plan, emissions rules for new fossil-fuel power plants, methane regulations, and more. It is still unclear how the U.S. will engage around the Paris Agreement.

France's government has unveiled a law to ban all production and exploration of oil and natural gas by 2040 on the country's mainland and overseas territories. The move is largely symbolic, however, as France's oil and gas production represents just 1 percent of national consumption - the rest is imported. The ban, which the government claims is a world first, is part of a larger plan to wean the country's economy from fossil fuels, encourage clean energy and fulfill France's commitments under the Paris Climate Agreement to curb global warming.

The French Government passed legislation to cut the country's energy consumption 50% by 2050, reduce nuclear power production to 50% of the energy mix, and increase renewable energy to 32% of total energy consumption by 2030. The law also requires the country to reduce its carbon emissions 40% by 2030, compared to 1990 levels.