As government agencies, corporate leaders and individuals worldwide seek to slow the impact of climate change and create a more sustainable future, several types of renewable energy have seen ...

And more light means more energy. The Oxford scientists aren’t the only ones who have produced this type of coating, but theirs is notably efficient, capturing around 27% of the energy in sunlight.

The newly christened Icon of the Seas is filled with energy-efficient technology. But some climate experts say the biggest challenge with a ship that can accommodate nearly 8,000 people is its size.

The Energy Department estimates that geothermal could provide 90,000 megawatts of U.S. electric capacity by 2050 if technologies keep improving, a twentyfold increase from today.