fix articles 465508, terra preta
Will indigenous agriculture save our climate? (tags)
An ancient Amazon Indian way of fertilising the soil appears to be the ideal remedy for saving the climate, as well as reducing famine and producing cleaner energy. But does it really work?
Global Warming Destroys Maple Sugar Industry (tags)
Global warming is the most serious threat facing planet. We have an opportunity, and an obligation, to lead in solving this global crisis by investing in clean and safe electricity, efficient buildings and a less polluting transportation system.