The big question: Would climate engineering like sending reflective particles into the stratosphere or brightening clouds help reduce the national security risks of climate change or make them worse?

Europa Clipper will contain a plaque that celebrates humanity’s relationship with water and a decades-old tradition of searching for life outside Earth.

The sustainable and cost-saving structure could dissipate more than 95 percent of incoming wave energy using a small fraction of the material normally needed.

Extractive industries threaten water, glaciers, and livelihoods, but new research offers hope.

The UK’s Victorian-era sewer network is at breaking point.

Researchers have a new way to turn fish scale waste into a tool for ridding water of a dye linked with potential health risks such as cancer.

In field tests, MIT spinoff AgZen demonstrated that its feedback-optimized spraying system could halve the pesticide needs of farms and improve crop yields.