Answer:
Practice that provides the best means of protecting biodiversity in the wild for future generations is - expanding breeding programs for endangered species .
Explanation: The best way of preserving biodiversity for future generations in the wild -
The other statements are not so suitable means of protecting biodiversity in the wild for future generation as the first statement indicates about the initiation of recycling programmes in neighborhood , which has no role in preservation of biodiversity or wildlife because the statement is about keeping the environment clean and healthy .
The other statement is about reduction of air pollution as buying vehicles with reduced carbon emissions improves the quality of air.
And the other statement of Protecting wildlife areas such as national parks comes under the other statement which states "expanding breeding programs for endangered species".
Hence , the correct option is D.