One of nature’s most spectacular events occurs every autumn, when the leaves of hardwood trees burst into brilliant color before falling to the ground. These autumnal displays in the eastern United States…
How much more glacial melting can the planet stand?
NASA
Industrial civilization must become technologically, economically, politically, and morally sustainable to hold the earth’s temperature below 2°C (3.6°F) higher than its preindustrial average. The problem…