• Brazil’s biofuel industry accused of worker exploitation.

• With a new kit, turn your car into a hybrid.

• Group seeks emergency protection for 32 species.

• Oil companies allowed to annoy polar bears.

Grist thanks its sponsors. Become one.

• Intel spins off solar energy technology.

Teeny-tiny delivery vehicle to be unveiled.

Reader support helps sustain our work. Donate today to keep our climate news free. All donations DOUBLED!