When residents opposed to a planned new peaker power plant began looking for data on air pollution in Peabody, they soon discovered a concerning fact — there is none.
Carbon monoxide and nitrogen oxide pollution have fallen sharply in Hong Kong since it introduced a world-first scheme to detect and repair vehicles with the highest emissions.
New York City nonprofits are using a cloud-based service from the start-up Temboo that helps monitor storm-water runoff and other environmental factors.
