Brazil is set to unveil an ambitious international plan that would provide up to $4 billion a year to countries that protect their tropical forests. Proponents see it as a potential game-changer for forest conservation, but some ecologists and economists are raising concerns.
Andrew Sheng: Are natural disasters man-made? It’s hard to deny when the effects of climate change are all around us
Fom increasingly intense hurricanes to regional landslides and flooding, it's clear our actions are effecting the environment. But, it's also evident that there are ways for us to avert disaster and change course.