Rainwater harvesting refers to the collection and use of rainwater for various purposes such as irrigation, or sanitation. Rainwater harvesting systems capture rainwater from roofs or other surfaces, filter it and store it for later use.
The Renewable Energy Heat Act (EEWärmeG) is intended to promote the increased use of renewable energies in the heating sector. It sets minimum proportions of renewable energies in the final energy consumption for heating and hot water in new and existing buildings. The law obliges developers and building owners to cover a certain percentage of [...]
Energy obtained from renewable sources, such as wind, solar or hydropower. In contrast, there are fossil fuels such as oil, gas or coal, which are limited and release greenhouse gases when burned.
Energy sources that regenerate and do not deplete, such as wind, solar, hydropower, biomass and geothermal energy. In contrast, fossil fuels such as coal, oil and gas are non-renewable and contribute to the release of greenhouse gases.