Things will change for the better. We all know that nature balances life on earth in its own unique way. No can definitely predict how its going to change and even with all scientific and technical advancements man cannot control natures destruction the Universe.
Mankind has not learnt the lessons handed over to him through ages.Only his greed for Power and Control has propelled him towards the path of destruction. The present adversities will gradually fade away like the moon diminishing, but it will leave its mark in the World in the form of Viral Diseases which can be cured.