June 20, 2019, 8:06 a.m. by Mary Jo DiLonardo
This smelly, visibly arresting algae in lakes can be fatal to pets that ingest it while playing nearby.
Valentine's Day round-up
February 12, 2009, 1:46 p.m.
Feb. 14 is just around the corner. Give this traditionally red day a hint of green with MNN's help.
Earth Day: At work
February 5, 2009, 5:32 p.m.
Celebrating Earth Day at work
Earth Day: At school
February 5, 2009, 5:16 p.m.
Celebrating Earth Day at school
Christmas trees going 'green' in Oregon
December 5, 2008, 10:59 a.m.
Consumers are becoming more environmentally conscious; measures are being taken to make Christmas trees more environmentally friendly.