Category Archives: Uncategorized

Plastic Bag Bans or Fees Cover 49 Million Americans

By Janet Larsen With the signing of a plastic bag ban in California on September 30, 2014, the number of Americans who will be affected by anti-bag legislation by 2015 climbed to 49 million. California is the first state to … Continue reading

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Fossil Fuel Development in the Arctic is a Bad Investment

By Emily E. Adams Even master chess players can miss a great move when they have been primed to look for a different one. To explore this phenomenon, researchers tracked master chess players’ eye movements when given chessboards with different … Continue reading

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Geothermal Power Approaches 12,000 Megawatts Worldwide

By J. Matthew Roney In 2013, world geothermal electricity-generating capacity grew 3 percent to top 11,700 megawatts across 24 countries. Although some other renewable energy technologies are seeing much faster growth—wind power has expanded 21 percent per year since 2008, … Continue reading

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Water Resources Fact Sheet

Water scarcity may be the most underrated resource issue the world is facing today. Seventy percent of world water use is for irrigation. Each day we drink nearly 4 liters of water, but it takes some 2,000 liters of water—500 … Continue reading

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Population Fact Sheet

When assessing the adequacy of basic resources such as land or water over time, population is the universal denominator: as population expands, per capita availability shrinks. The world population took until the start of the 19th century to reach 1 … Continue reading

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China’s Solar Panel Production to Double by 2017

By J. Matthew Roney China installed a world record amount of solar photovoltaics (PV) capacity in 2013. While this was the first time the country was the number one installer, China has led all countries in making PV for the … Continue reading

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Climate Change Fact Sheet

Stabilizing the earth’s climate depends on cutting carbon emissions fast. Global emissions of carbon dioxide (CO2)—the principal climate-altering greenhouse gas—come largely from burning coal, oil, and natural gas. Coal, mainly used for electricity generation, accounts for 44 percent of global … Continue reading

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