… of rocket launches over several decades, researchers are considering how the resources for such a solar shield could be taken from space itself. Stratospheric … of rocket launches over several decades, researchers are considering how the resources for such a solar shield could be taken from space itself. Stratospheric …

… does precaution mean? The concept of precaution comprises the protection of natural resources and life support systems before threats to them arise. The Federal Soil … including humans. … The concept of precaution comprises the protection of natural resources and life support systems before threats to them arise. The Federal Soil …

… behaviour and lifestyles. It results in farmland loss, which is of course a crucial resource for the food supply, forage, energy crops and renewable resources. Economic, social and urban development effects The steady march of …

… for example, must be based more strongly on renewable sources of energy, and energy efficiency must be improved. Department V 1 is responsible among others for the … for example, must be based more strongly on renewable sources of energy, and energy efficiency must be improved. Department V 1 is responsible among others for the …