Climatic changes are causing weather shift and affecting all sort of vegetation including our economic crops.
For instance in the northern hemisphere, a long drought periods are being observed over the last decade. Rain and snow falls get long delays till february and march. It fall during the flowering season of plants and growing seasons of crops. Flowers and crops are destroyed during flowering and sowing seasons respectively due to humid weather. In these circumstances, multifacetated challenges have to be addressed including introduction of new varieties, lines, hybrids and ecotypes.
Human society face the biggest risk ever from the unprecedented climatic changes.