Paul J. Crutzen, a Dutch scientist who won the Nobel Prize for chemistry for his work understanding the ozone hole and is credited with coining the term Anthropocene to describe the geological era shaped by mankind, has died.
The German chancellor called for greater international cooperation, and assured developing countries of financial support. France's Emmanuel Macron and Britain's Boris Johnson were also set to attend the online talks.
Aided by advances in deep-drilling technology for fracking, engineers are developing new methods of tapping into the earth's limitless underground supplies of heat and steam. But the costs of accessing deep geothermal energy are high.
Germany has ambitious targets for reducing greenhouse gas emissions to address the threat of climate change. But there are clashing views about how the transportation sector - which accounts for about one-fifth of the country's emissions - should fit into those goals.
Germany's meat industry kills over 750 million animals per year, with dire consequences for the environment. Meat eaters Neil King and Gabriel Borrud face uncomfortable truths as they seek ways out of the meat paradox.
German regional transport group RMV began construction of a filling station near Frankfurt that will use hydrogen generated as a by-product of chemicals manufacturing to fuel the world's largest fleet of zero-emissions passenger trains.
Jane Worthington moved her grandkids to protect them from oil and gas wells—but it didn't work. In US fracking communities, the industry's pervasiveness causes social strain and mental health problems.