After self-service bikes, self-service electric cars may hit the streets of Paris.
The body heat from commuters passing through Stockholm Central Station each day will be used to heat a new office building nearby.
The body heat from commuters passing through Stockholm Central Station each day will be used to heat a new office building nearby.
Low-cost film solar panels are now a reality, bringing costs in line with coal generation.
Good move: Berlin, Cologne and Hannover have banned heavily polluting cars from their city centers.
Good move: Berlin, Cologne and Hannover have banned heavily polluting cars from their city centers.