Brett Clark and Richard York
The global climate is rapidly changing due to the burning of fossil fuels and deforestation. No area of the world’s ocean is unaffected by human influence, as the accumulation of carbon, fertilizer runoff, and overfishing undermine biodiversity and the natural services that it provides.
The Millennium Ecosystem Assessment documents how over two-thirds of the world’s ecosystems are overexploited and polluted. Environmental problems are increasingly interrelated. James Hansen, the leading climatologist in the United States, warns that we are dangerously close to pushing the planet past its tipping point, setting off cascading environmental problems that will radically alter the conditions of nature.
Read more HERE.