Independent environmental activist Egor Chastukhin collects a sample of waste water dumped by a paper factory near the historic city of Penza in western Russia. After inspecting a test tube containing a sample of the water, Chastukhin sighs - "what we're doing now is legal and harmless today. But tomorrow they could link it to extremism or terrorism." Since an unprecedented crackdown on dissent followed Moscow's offensive in Ukraine, Russian authorities have outlawed the work of Greenpeace and the World Wide Fund for Nature, branding them and dozens of other groups with links to the West as "undesirable". What remains of ecological advocacy in Russia rests on the shoulders of under-resourced activists like Egor, who still want to raise awareness in spite of the risks. IMAGES AND SOUNDBITES