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Supreme Court Events Leave Fate of Clean Power Plan Uncertain

The outlook for U.S. Environmental Protection Agency’s (EPA) Clean Power Plan, a rule intended to limit greenhouse gas emissions from the existing fleet of fossil fuel-fired power plants, is the subject of debate after two key Supreme Court events last week. First, on Tuesday, the U.S. Supreme Court in a 5–4 decision issued a stay,…

Supreme Court Suspends Clean Power Plan

The U.S. Supreme Court blocked the Clean Power Plan, the U.S. Environmental Protection Agency’s rule limiting greenhouse gas emissions from the existing fleet of fossil fuel-fired power plants on Tuesday. The court, in a 5–4 decision split along party lines, put a stay on enforcement of the Clean Power Plan, which is designed to cut…

Climate Change Implicated in a Specific Extreme Weather Event

Scientists have warned that even a few degrees rise in global temperatures can lead to increasingly severe storms. Now an international team of climate scientists has linked man-made climate change to historic flooding that hit the south of England in the winter of 2013–2014. It’s the first time a peer-reviewed research paper has connected climate…

Humans Implicated in String of Record-Warmth Years

Human activities are the cause of this century’s record warm years, according to a study in the journal Scientific Reports. “We find that individual record years and the observed runs of record-setting temperatures were extremely unlikely to have occurred in the absence of human-caused climate change,” the authors say. “These same record temperatures were, by…

Climate Change Tops WEF Risk Ranking

For the first time, the World Economic Forum (WEF) has ranked an environmental risk—climate change—as the most severe economic risk facing the world. Global Risks Report 2016 says climate change is compounding and intensifying other social, economic, and humanitarian stresses such as mass migration, which it ranked as the threat most likely to materialize in…

Climate and Energy of Focus in Obama’s Final State of the Union

President Obama laid out four big questions the United States has to answer in his nearly hour-long final State of the Union address Tuesday night. One of those four points: How do we make technology work for us, and not against us, especially when it comes to solving urgent issues like climate change? In discussing…

Study Says Electricity Production Vulnerable to Climate Change

A new study in the journal Nature Climate Change suggests that climate-change-related water disruptions could significantly decrease electricity production by the hydropower stations and thermoelectric (nuclear, fossil-fueled, biomass-fueled) plants that account for 98 percent of production around the world. Because the plants need water to cool generators and pump power at dams, they are vulnerable to lower…

Nations Strike Deal to Curb Carbon Emissions

The first pact to commit all countries to cut carbon emissions—the Paris Agreement—was signed by 195 countries in LeBourget, France, on Saturday. Some aspects of the agreement, which will go into effect in 2020, will be legally binding, such as submission of emissions reduction targets and regular review of progress toward them. However, the targets…

Paris Climate Talks Will Continue Past Deadline

Late yesterday, French leadership at the United Nations climate talks in Paris produced a new draft text of a global agreement calling on countries to keep temperature rise “well below” 2 degrees Celsius by 2100 but recognizing a maximum temperature rise of below 1.5 Celsius as an ideal goal. Although the talks will continue past…

Majority Calls for More Ambitious Deal in Paris

More than 100 countries, including the United States, Colombia, Mexico, and the European Union, have formed a “high ambition coalition” in an effort to secure a final agreement at the United Nations Climate Change Conference in Paris. But members will not be satisfied with merely reaching a final agreement—they want an ambitious solution that includes…

Tough Issues Linger in New Climate Deal Draft

Climate negotiators at the United Nations Climate Change Conference (COP 21) in Paris have until Friday to reach a global deal to curb greenhouse gas emissions to avoid the most serious climate change impacts. Negotiators released a new, shorter draft of that deal. The 29-page document leaves some major sticking points unresolved, including whether to…

Sticking Points for the Paris Climate Talks

At the Paris climate talks, where ministers are hammering out an international deal to curb climate change, two huge debates remain unresolved: the long-term global warming target and the amount and nature of finance that will flow to poor countries, a debate that hinges on differentiation of developing country and developed country responsibilities. “Whether the…

Tougher Rules for Pollution That Crosses State Lines

The U.S. Environmental Protection Agency (EPA) on Tuesday proposed updates to its Cross-State Air Pollution Rule in response to a recent decision by the D.C. Circuit Court. The update now affects 23 states whose nitrogen oxide emissions blow into other states, increasing their ozone levels. No longer subject to the rule are South Carolina and…

Saudi Arabia Joins Climate Change Effort

Saudi Arabia—the world’s biggest crude oil exporter—has become the last of the G20 countries to submit an emissions pledge in the run up to the United Nations Climate Change Conference in Paris, Nov. 30–Dec. 11. The desert kingdom said it will avoid up to 130 million tons of carbon dioxide equivalent per year by 2030…

Clean Power Plan Publication Triggers Wave of Challenges

The recent publication of the U.S. Environmental Protection Agency’s (EPA) Clean Power Plan in the Federal Register triggered the filing of lawsuits by dozens of states in the U.S. Court of Appeals for the District of Columbia Circuit, along with other challenges, including a petition from a U.S. Chamber of Commerce-led industry coalition for a rule…