Such a grid design may clean up the air in eastern pollution centers. (corporateknights.com)
Just as cleaning up air pollution may actually add up to 1 degree of warming, it may also increase the risk of skin cancers and blindness from UV radiation. (ecoshock.org)
Local governments have taken steps to clean up air quality and reduce emissions, while some countries have outlined outright bans on cars powered by internal - combustion engines in the future. (hybridcars.com)