Grist

MAY 30, 2024

billion people — notably in South and East Asia and the African Sahel — experienced at least 31 days of extreme heat, hotter than 90 percent of documented temperatures between 1991 and 2020, according to a new report. Pollutants from vehicle combustion, including nitrogen oxides and volatile organic compounds, react in sunlight to form ozone.

Health 96

Health Pollution Africa Climate change 96

Green Tech Challenge

JANUARY 6, 2017

With the increasing growth in mass production, industries expanding to low cost production sites in Asia, fuelling on coal and the pollution from transport, the problem continues to grow. They seek to solve it with a combination of Internet of Things (IoT) and plants, providing clean and cool air to hot urban cities.

IoT 73

IoT Pollution Biotech Building Energy Monitoring 73

Grist

DECEMBER 21, 2019

The hardware test was part of a bigger plan to see if strategically releasing aerosols might help cool the planet by reflecting sunlight. Working from a disused military airstrip in Norfolk, U.K., they would attach a 3,000-foot hose to a helium balloon, pump water into it, and spray the liquid into the atmosphere, where it would evaporate.

Government 78

Government Ozone Technology Global warming 78