Mostly unseen, fungi are essential to life on Earth and highly talented. They can clean oil and radioactive pollutants from the ground. And be transformed into construction materials.
China built almost 40,000 kilometers of high-speed rails in just over a decade. Meanwhile, dreams for a similar high-speed hub in the EU and US have been consistently derailed. How did China do it? And at what cost?
Wildfires destroy homes and huge swaths of forest, and spread air pollution. Climate change increases the likelihood of such fires. The solution? Stop climate change. Another idea is to blend alternative forest management with modern technology.