For half a century, Philip Fearnside has documented how roads, dams, cattle ranching and other development projects drive Amazon deforestation and impose steep climate and biodiversity costs.
Like in all previous COPs, it proved difficult to achieve unanimity over a legally binding all-encompassing document, especially at a time when the big powers question the mere principle of multilateralism.
An intense global warming event 56 million years ago caused a forest in modern-day Wyoming to lose around 60 percent of its canopy cover, and it took more than 100,000 years to bounce back.
