human activities (mainly greenhouse-gas emissions) are the dominant cause of the rapid warming since the middle 1900s (ipcc, 2013).
human activities (mainly greenhouse-gas emissions) are the dominant cause of the rapid warming since the middle 1900s (ipcc, 2013).
global warming:217
over the last three decades of the twentieth century, gross domestic product per capita and population growth were the main drivers of increases in greenhouse gas emissions.