Whether it is in our oceans or deposited in our lungs, on the snow-capped Rockies or Arctic ice, Black Carbon is one of the major problems on the planet in regards to change in climate and health.
We met scientists at the UCSD's Scripps Institute working on low tech solutions for the developing countries.
In a story by Martin Kaste on NPR, here is some of the story...
Almost half the world still cooks its food with solid fuels, such as wood and charcoal.
The results are deforestation and black carbon, which contributes to global warming. And smoke-related disease kills an estimated 1.6 million people a year.