Green Car Congress

MAY 12, 2020

Levels of two major air pollutants have been reduced significantly since lockdowns began in response to the COVID-19 pandemic, but a secondary pollutant—ground-level ozone—has increased in China, according to new research. Ozone is harmful to humans at ground-level, causing pulmonary and heart disease. —Guy Brasseur.

Ozone 291

Ozone Pollution Global Iran 291

Green Car Congress

AUGUST 19, 2019

A study by a team of researchers from China, the US and Germany suggests that future climate change may worsen air quality for more than 85% of China’s population, leading to an additional 20,000 deaths each year. and ozone exposure, respectively. and ozone exposure, respectively. —Hong et al.

Climate Change 277

Climate Change Climate Ozone Future 277

Green Car Congress

OCTOBER 31, 2017

ppm in 2015 because of a combination of human activities and a strong El Niño event. Since 1990, there has been a 40% increase in total radiative forcing—the warming effect on the climate—by all long-lived greenhouse gases, and a 2.5% Globally averaged concentrations of CO 2 reached 403.3 parts per billion.

2016 186

2016 Climate 2015 Climate Change 186