Whenever the causes of climate change are discussed, fossil fuels top the list.Oil, natural gas, and especially coal are indeed major sources of human-caused emissions of carbon dioxide (CO2) and other greenhouse gases (GHGs).

In the early 1970s, facing overwhelming obstacles, a young visionary named Paolo Lugari set out to build a sustainable village on los llanos, the remote plains of Colombia, some 500 kilometers east of the country

The World Health Organization (WHO) has calculated that by 2020 human-triggered climate change could kill 300,000 people worldwide every year.