Long term research by German ecologists proves that loss of biodiversity has “direct, unpleasant consequences for mankind.”
Two recent studies show how dangerous heatwaves can be, and how global warming will put three-quarters of humanity at risk by 2100. “We are running out of choices.”
Victor Hugo’s masterpiece includes a powerful attack on the urban wastefulness that steals nutrients from the land. Like Marx and Engels, he based his critique on the work of the chemist Justus von Liebig.