चिपको आंदोलन की शुरुआत 1970 के दशक की शुरुआत में हिमालय की ऊंची चोटियों पर गढ़वाल के रेनी नामक एक सुदूर गाँव की घटना से हुई थी। यह किस दशक में हुआ था?

What is the primary purpose of the Sustainable Development Goals (SDGs)?

With reference to microplastics as an environmental health concern, consider the following statements: I. Microplastics can enter the human body through ingestion as well as inhalation. II. Microplastics can act as carriers for toxic chemicals and pathogenic microorganisms. III. Microplastics are rapidly degraded into harmless substances inside the human body. Select the correct answer using the code given below: