Question

What major overall factors contribute to our ecosystem concerns today?

Answer 1

An ecosystem is alarge community of living organisms(plants,animals and microbes) in a particular area.The living and physical components are linked together through nutrient cycles and energy flows.The living and physical components are linked together through nutrient cycles and energy flows.Agroecosystem,aquatic ecosystem,coral reef,desert,forest,human ecosystem,littoral zone,marine ecosystem,prairie,rainforest,savanna,steppe,taiga,tundra,urban echosystem and others are the examples of ecosystem. The major factors contributes to  environmental issues faced by Pollution, Deforestation, Climate change,Ozone Depletion,Desertification,Loss of Biodiversity,Disposal of wastes,Over population. Humans interact with the environment constantly.These interaction affect quality of life,years of healthy life lived,and health disparities.Human impact on the environment includechanges to the bio physical environment,ecosystem, biodiversity and natural resourses caused directly and indirectly by humans by global warming, degradation of environment,mass exinction,biodiversity loss,ecological crisis and ecological collapse.Human changes in land use and land cover have changed Earth's reflectivity.Processes such as the deforestation ,reforestation,desertification and urbanization often contribute to changes in the climate in the places they occur.