2015 Event The U.S. Environmental Protection Agency is seeking to reduce greenhouse gases from oil and gas operations, proposing a rule to cut methane emissions from these sources by 40 to 45 percent of 2012 baseline levels over the next 10 years 2014 Event The U.S. and China have agreed to cut greenhouse gases, with U.S. President Barack Obama setting a goal of at least a 26 percent reduction over 2005 levels by 2025; China's Xi Jinping is making the nation�s first commitment 2014 Event Automakers Kia and Hyundai are fined $100 million by the U.S. for claiming that emissions of greenhouse gases from its vehicles were lower than actual emissions, allowing the companies to fraudulently receive pollution credits 2014 Event The average monthly world CO2 concentration exceeded 400 ppm in April; the U.N. has set a 450 ppm limit for all greenhouse gases to reduce climate impact; concentrations for CO2 and all greenhouse gases averaged 391 and 430 ppm, respectively, in 2011 2012 Event According to the United Nations World Meterological Organisation, greenhouse gases reached record levels in 2011 1951 Event Superheated gases roll down Mount Catarman (Philippines), kills 500 1944 Event Auschwitz-Birkenau concentration camp gases 4,000 gypsies 1942 Event German SS gases 1,000 Jews in Minsk, Belorussia
