What is a good example of personal contribution for climate?

Correct answer: Saving energy and planting trees

The governing concept is individual climate action through conservation and pollution reduction. Saving electricity and fuel lowers the demand for fossil fuels and therefore helps reduce associated greenhouse-gas emissions. Planting and protecting trees supports carbon absorption and improves local environmental conditions. For these reasons, option B gives two constructive personal actions. Wasting fuel increases resource use and emissions, burning plastic can release harmful smoke and pollutants, and leaving a tap open wastes water. The correct choice is thus the one that conserves resources and supports a healthier environment rather than creating additional waste.