What are the steps to finish global-warming, food-deficiency and water-scarcity alarming issues in coming future?

Steps to finish global warming, food deficiency, and water scarcity alarming issues shortly by:

1 Stoping high deforestation and implementing afforestation will improve the quality of the environment leading to better living conditions. Less construction of building in areas of high forest will help in protecting humans from global warming.

2 Water scarcity can best be reduced by applying strict rules on wastage of water and also the government should have punishments during such wastage.

3. Corruption in the country should be reduced to zero so that it helps to distribute the money in the economy more equally than in the corrupted economy as corruptions lead to more in the hands of the rich than the poor.

4. Fiscal and monetary policy in the economy should be strict to improve the deficiency of goods in the economy as strict laws applied will improve the country to a better stage of high efficiency and productivity.