As the threat of global warming grows—and with it, the specter of more extreme conditions such as wildfires, droughts and tropical storms—cities across the U.S. are developing policies to reduce their emissions of greenhouse gases, chiefly carbon dioxide (CO2). Even though many local governments are committed to these goals, however, the emissions data they have to… Read more
Not long ago, Kevin Grady, assistant research professor of forestry at Northern Arizona University, was involved in the emergency response to a 30,000-acre wildfire. Land managers he worked with wanted to jump-start restoration immediately. Grady figured covering that many acres with plants would require 90 semi-trailer trucks full of seeds—seeds that weren’t easy to find. He… Read more
In a new paper published in Nature, research assistant professor Christopher Schwalm of Northern Arizona University’s Center for Ecosystem Science and Society (Ecoss) shares the results of a study investigating the impact of more frequent droughts on ecosystem resiliency and how this phenomenon could endanger the land carbon sink.
Earth’s land carbon sink comprises all the planet’s soils and vegetation, including forests, grasslands and agricultural… Read more