[poll id=”6″] New research suggests that the correct answer is (a), twice as long as previously believed. Back in 1872-1876 the HMS Challenger sailed 69,000 miles across the Atlantic, Indian and Pacific Oceans, taking temperature measurements at several depths at each of 300 sites. Today’s researchers from the University of California, San Diego, compared Challenger’s
NOAA scientists have reported that March 2012 was the warmest on record for the contiguous United States, dating back to 1895 (click here to see an interesting animation displaying the record temperatures). The average temperature for the month was 51.1 °F, 8.6 °F above the 20th century March average. Only 1 other month, January 2006,
Carbon capture is a process that removes CO2 from the air. it’s a way to reduce the greenhouse gas emissions in the air other than by using less fossil fuels. The process is controversial, and there’s not much buzz about carbon capture. It’s expensive with current technologies. Critics say deploying capture could delay weaning economies
Worldwide use of solar, wind, tidal and geothermal energy increased 15.5% in 2011, but together they still represent only 1.3 % of the world’s total energy use. The factors behind the increase include adoption by some countries of enlightened policies, and enhanced private investment. Also, some countries are committing to reducing their environmental impact and
The Intergovernmental Panel on Climate Fhange (IPCC) recently issued a 582 page report on what is known about the impact that global warming could have on nine different extreme-weather events. The report explores ways to reduce the risk to people and property from weather extremes. It focusses on helping communities adapt to long-term global warming.