Fall is fast approaching, and with it, the time when many families head into the yard armed with rakes, leaf blowers and garbage bags. But agencies like the U.S. Department of Agriculture and the ...

First, the most obvious reason: Raking leaves into plastic garbage bags and sending them to a landfill creates huge amounts of unnecessary waste. It also contributes to releasing greenhouse gases that ...

The basics of photosynthesis are something that every student learns in school: carbon dioxide, water and light in; oxygen and sugar for growth out. In a world where atmospheric carbon dioxide levels ...