🏆 Best Environmental Essay Examples and Topics. Human impact on the environment. Another important action we are taking to improve the water situation is: Climate change is the greatest existential threat to our planet. If we do not limit greenhouse gas emissions from the burning of fossil fuels, the consequences of rising global temperatures will be numerous. A global food crisis looms large, particularly in developing countries in Asia and Africa. A report published by the Worldwatch Institute also suggests that environmental problems such as reduced access to sufficient resources to meet the needs of a burgeoning population pose a great danger to the global economy. Views. 214. The current environmental movement began between the 1960s and 1970s in the United States. The first form of the movement stems from some well-known disasters and environmental problems. Over the past five decades, environmentalism has become a multifaceted movement. Plastic pollution has become one of the most pressing environmental problems as the growing production of disposable plastic products outstrips the global capacity to deal with it. Plastic pollution is more visible in less wealthy Asian and African countries, where waste collection systems are often inefficient or non-existent; Essay on Environmental Crisis and Sustainable Development What is Environmental Crisis, Our planet is facing a big problem called environmental crisis. This means that the Earth, water, air and all living things are in trouble because of what humans are doing. We cut down too many trees,