Mashup: Planet Hazard Comments Share via FacebookShare via TwitterShare via LinkedinShare via Google+Share via RedditShare via Mail Learn about the unknown hazards around you - the toxins you may be breathing. PlanetHazard maps over 86,000 companies throughout the US that emit hazardous air pollutants. Excellent mashup. Track this Mashup Submit a mashup Summary Comments Followers Summary Comments Followers Comments (1) Comments(1) Comment * Leave this field blank Post Comment G Johnson (not verified) 8:22 PM Mar. 26 2008 reply This is completely awesome and user friendly. Thank you! I will add this to my site.