In recent decades the cost of wind and solar power generation has dropped dramatically. This is one reason that the U.S. Department of Energy projects that renewable energy will be the fastest-growing U.S. energy source through 2050.

Nearly £7 million awarded to turbocharge UK projects that are developing innovative energy storage technologies.

Water is one of the most visible signs of climate change, whether it is too much or not enough. But until recently, it mostly was seen as primarily a climate adaptation and resilience concern. The fact is, however, that water also can play a powerful role in climate mitigation. During the recent COP26 climate negotiations, water as a mitigation tool received more attention than it had at previous talks. As the world looks to find emissions reductions wherever it can, the water sector has a host of technologies to help.