Past and present global warming: its effect on the tropics According to meteorological data and climate models, global temperatures have increased by up to 1.1 °C since 1960 because of rising atmospheric greenhouse gas concentrations, including an increase in CO₂ concentrations by up to 200 ppm. In some regions, such as the tropics, home to over 40% of the world’s population, warming has re ...[Read More]
Tracing temperatures in tropical Lake Petén Itzá over the last 24,000 years
