1 - Arctic sea ice that has been dwindling for several decades may have reached a tipping point that could trigger a cascade of climate change.

2 - Giant pandas are an endangered species and their numbers are dwindling very quickly as their habitat is destroyed.

3 - Dwindling oil reserves and the generally gloomy forecasts provided by most specialists in the automobile industry have provided newly added fuel for the development of electrically powered cars.

4 - As the earth's natural resources are dwindling and our environment is being increasingly degraded by human activities, it is evident that something needs to be done.

5 - With global energy consumption set to surge, greenhouse gas emissions increasing, and stocks of fossil fuels dwindling.