Mexico's Maya point way to slow species loss, climate change

FELIPE CARRILLO PUERTO, Mexico (Thomson Reuters Foundation) - Maria Yam Pérez scrambles eggs over a wood-saving, earth-block stove and stirs in freshly chopped chaya, a spinach-like jungle plant known for its versatility in cooking and medicine.

She points to the black soot from the hearth smoke, accumulated under the thatched roof, like tendrils of grey gossamer, and on the stick walls of the open-air kitchen.