James Hansen believes that rising global temperatures are fueling an increase in extreme weather . He cites a 2010 heat wave in Russia and last year 's Texas drought as examples . It compared what is happening now to what was happening between 1951-1980 . Hansen , an activist , conducts research at the NASA Goddard Institute for Space Studies .
James Hansen believes that rising global temperatures are fueling an increase in extreme weather . He cites a 2010 heat wave in Russia and last year 's Texas drought as examples . Hansen , an activist , conducts research at the NASA Goddard Institute for Space Studies .