The Cove took home the Best Documentary hardware at last year’s Oscar opus. Here’s a brief list of this year’s green Oscar nominees in the long and short doc categories.

Waste Land – Best Feature Documentary Nominee – Brazilian photographer Vik Muniz photographs the inspiring struggles of Rio de Janeiro’s “catadores” – enterprising pickers of recyclable materials found in Rio’s massively squalid garbage dumps and the art they create. Filmmakers: Lucy Walker and co-directors João Jardim and Karen Harley

Gasland – Best Feature Documentary Nominee – filmmaker Josh Fox explores the environmental and social impact of ‘fracking,” the controversial natural gas drilling technology developed by Halliburton. Are communities’ water supplies safe?

Sun Come Up – Nominated for Best Documentary (Short Subject) - The inhabitants of the Pacific islands of Carteret are quickly facing the prospect of becoming some of the world’s first “climate refugees”.
Filmmakers: Jennifer Redfearn and Tim Metzger

The Warriors of Qiugang – Nominated for Best Documentary (Short Subject) – a small Chinese village fights back against industrial pollution. Producers: Yale Environment 360 and filmmakers Thomas Lennon and Ruby Yang