Answer:
Shifts in rainfall that lead to water shortages.
Rising sea levels that contaminate drinking water.
Step-by-step explanation:
Climatic changes have different kinds of effects and some of those changes can affect the climate adversely. THere are man made reasons that contaminate the environment and there are natural reasons that negatively affect the atmosphere.
In the above example, Shifts in rainfall that lead to water shortages and
Rising sea levels that contaminate drinking water are the reasons for creating environmental risks.