Undark and the Pulitzer Center on Crisis Reporting visited seven countries on five continents, rich and poor, north and south, to examine the impacts of fine particulate pollution, which kills more than four million people annually.
The carbon cycle is exceedingly complex, and yet it’s crucial for both scientists, and ordinary citizens, to understand in order to grasp how human civilization — and the massive amounts of carbon emissions that have come with it — will alter the machinery of our climate.
