The energy intensive lamps are quite literally, and figuratively, getting a green makeover and may be sprouting on a street near you soon. Lovegrove's innovative lighting project, the "Solar Tree," is ...

Picture a forested hillside stripped bare, replaced by row after row of black solar panels. That’s the tradeoff many communities face: renewable power at the cost of ecosystems. But a growing body of ...

Solar energy is often praised for being cleaner and more sustainable than other power sources. For example, fossil fuels are finite, their sources are depleting, and they cause air pollution.

Tree rings hold clues about ancient solar storms. New research shows tree growth and carbon storage can shift those signals across years.