America’s population and economy are both growing, yet its energy appetite is falling. That’s because of substantial energy-efficiency gains made in recent decades.Those gains are helping the country reduce oil imports, save money on power bills, and move toward meeting a goal set by President Obama of reducing greenhouse gas emissions by 17 percent between 2005 and 2020.
What if you want to root out petroleum investments in your own life? Could you? Granted, your contribution may be small as ever, but divestment is picking up steam. It got name checked by the president during his now-legendary Sweaty Forehead Speech, and it’s getting attention from the mainstream media. Here’s The New York Times on Sept. 6:In the 1980s, it was South Africa. In the 1990s, it was tobacco. Now fossil fuels have become the focus of those who would change the world through the power of investing.
This short video is a simple explanation of how humans have caused carbon emissions over the last 260 years.
MacArthur genius using satellite data to get a space-eye view of our food system.
So, for example, Lobell and his collaborators have been able to show how global warming is stunting major food crops. Depressing findings like this have a practical side: They show plant breeders and farmers the kind adaptations they need to be working on.
If wasted food became its own pungent country, it would be the world’s third biggest contributor to climate change.
The United Nations Food and Agriculture Organization had previously determined that roughly one-third of food is wasted around the world. Now it has used those figures to calculate the environmental impacts of farming food that is never eaten, along with the climate-changing effects of the methane that escapes from food as it rots.