As the world races to curb climate change, scientists are taking aim at cows, a surprisingly potent source of greenhouse gases. Science correspondent Miles O’Brien traveled from California to Mexico ...

There are lots of sustainable and healthy leafy greens, even the greens grown as other parts of vegetables (like pumpkin ...

Soak some dried seaweed in water till it's tender. Drain and mix with sliced cucumbers and carrots for crunch. Prepare a ...