Clean drinking water in Africa may be a barrel spin away
August 29, 2013, 12:15 p.m. by Clint Williams
Engineering students tackle two problems with one clever project.
Volunteer vacations trade hard work for spectacular sights, satisfaction
June 13, 2013, 10:11 a.m. by Clint Williams
Swap your sandals for steel-toed boots and get ready to get dirty for a good cause.
Meet the man who wants to free the Los Angeles River
May 6, 2013, 6:21 p.m. by Clint Williams
Miguel Luna is using grassroots organizing to rehabilitate a maligned river and the communities near it.
Pierre Calleja: Why microalgae is the future of green energy
March 15, 2013, 3:26 p.m. by Clint Williams
The bane of backyard pools may be the key to reducing greenhouse gases.
Record-breaking 'monster wave' detected in Southern Ocean
'Signing Day' recognizes high school seniors starting jobs, not college
12 plants that repel unwanted insects
One woman met a stray dog — and changed everything for a forgotten breed
17 surreal images of Hawaii's Kilauea volcano eruption
13 natural solutions for killing and deterring ants