A series of cartoons poking fun at Boris Johnson are set to put pollution at the heart of next month's local election campaign. | ITV News London ...

First the science bit: The 10m by 20m poster is coated with microscopic, pollution-eating nanoparticles of titanium dioxide. It's the same stuff they use for self-cleaning windows, apparently.

The Campbell-based West Valley Clean Water Authority, along with several other local agencies, is hosting an Earth Day poster design challenge, open to all K-12 students in Santa Clara County. Stud… ...

These and several such posters by students and young professionals at the American Center highlighted their worries regarding air pollution. The US consulate general celebrated World Environment Day ...

Clean air: The poster absorbs pollution (Image: Vimeo / DED ASS) A giant poster is helping to remove air pollution by absorbing fumes released by passing cars. Article continues below.

Most Londoners do their best not to think about the toxic levels of pollution filling the city air. But there’s going to be no hiding from it when these gross posters go up on the Tube next ...

Local students are asked to enter a poster and essay contest sponsored by the Jefferson Parish Department of Environmental Affairs that examines a certain type of pollution and some solutions to ...