Don’t blame cattle – it’s humans who caused methane levels to skyrocket

Concentrations of carbon dioxide in the atmosphere surged at a record-breaking speed in 2016 to the highest level in 800,000 years, according to the World Meteorological Organization’s Greenhouse Gas Bulletin. The abrupt changes in the atmosphere witnessed in the past 70 years are without precedent, according to the agency. Robert Howarth is a professor of ecology […]