What ecological problems does the modern world face?, What types of pollution do you know?, Why is it important to prevent animals from extinction?, What can be done to stop deforestation?, What does depletion of natural resources mean?, What are the ways to care about the future of our planet?, What ecological problems are the most serious and why?, What problems are there in the region you live in?, What does your family do to help the environment?, What is 3 Rs?.

Ecological problems

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