Citizen eco-warriors armed with budget shed tech patrol sewage pollution frontlineWhat can you do with varnish, plywood, a wheelbarrow inner tube and a solar panel not much bigger than a mobile phone?
Source: Citizen eco-warriors armed with budget shed tech patrol sewage pollution frontline (https://news.sky.com/story/sewage-pollution-citizen-eco-warriors-armed-with-budget-shed-tech-patrol-whiffy-river-frontline-12972959)