Complete the text with the correct words related to science.
surface- climate- issues- hazards- protect-
It's important for us to know how earth and existence work. Only then can citizens form judgement that affect our planet, protect its __________, care for their oceans, safeguard ice waters, and sustain life. There are some __________ that humans will have to address in a near future: _________ change, natural __________, energy, clean water and _________to grow food.We also need a new generation of geo scientists who will continue to investigate how the earth system evolves and who will train younger scientists.