Large concentrations of sulfites and bisulfites in shallow lakes may have set the stage for Earth’s first biological molecules.
Nine student teams pitched solutions to global water issues at annual event.
Several different carbon-pricing approaches would help reduce emissions, and some would be fair as well, researchers report.
Scientists conclude methane-producing microbes date back 3.5 billion years, supporting the hypothesis that they could have contributed to early global warming.
Concrete Sustainability Hub research shows life-cycle thinking has long-term environmental and economic payoffs.
Daniel Kammen of the University of California at Berkeley discusses current efforts in clean energy innovation and implementation, and what's coming next.
Daniel Sperling of the University of California at Davis discusses the major transformations in store for mobility.
New technologies, systems, and business models are rapidly changing the energy landscape, experts attest.
The way streets and buildings are arranged makes a big difference in how heat builds up, study shows.