The United Nations has raised its projections for the world's population in 2050 to nearly 10 billion. While women are having fewer children, death rates are also dropping because of better health care and medical technologies.
Pilot plant in Canada tries to demonstrate carbon capture on an industrial scale.
Can India modernize its manufacturing economy and supply electricity to its growing population without relying heavily on coal—and quite possibly destroying the global climate?
The leading installer of rooftop solar panels says it has achieved record efficiencies with its panels.
A promising battery startup has run into problems commercializing its novel technology.
The renewable-energy certificate system has gotten more transparent, but improvements are still needed.
Novel molecular structures are a first step toward economical carbon capture at a wide scale.
The revelations about Volkswagen’s diesel emissions hurt not only the German carmaker, but the diesel industry overall.
Advanced lithium-ion chemistries offer cooler operation, longer life spans.
The focus of research on fusion power has moved from big government programs to startups with novel designs.