The United States spent $2.6 billion in 2015 to support developing countries in mitigating and adapting to climate change. While this finance represents just 0.07 percent of the federal budget, it boosts U.S. business, promotes international development and improves national security.
Nearly all forest fires in Indonesia are human-caused. New data reveals where they've ignited over the past 15 years, shedding light on how to squelch the problem.
We can turn an India-sized patch of degraded land green again, but only if we learn from early successes in Niger, Ethiopia and Costa Rica.