What Is Solar Grazing? Why Sheep Are Showing Up at Solar Farms
Solar grazing uses sheep to manage vegetation beneath solar panels. Here is how the practice works, why it is growing, and where its limits are.
What Is Stream Daylighting? Why Cities Are Uncovering Buried Rivers
Stream daylighting restores waterways that were buried in pipes or channels. Learn why cities are uncovering streams for flood resilience, habitat and public space.
What Is a Sponge City? How Urban Design Absorbs Heavy Rain
What is a sponge city? Learn how rain gardens, wetlands, permeable surfaces and green roofs can help cities slow, absorb and reuse stormwater.
From Dead Batteries to Clean Fuel: The Rise of Renewable Methane
1. Wait—batteries can become fuel? Every year we buy millions of phones, laptops, and electric cars—then toss their worn-out batteries. In the European Union only about 5 % of lithium-ion batteries are collected for proper recycling (sustainabilitybynumbers.com), leaving a mountain of toxic waste. But a team of researchers in Vienna and a new EU-funded project…
