Since there is so much debate about the scale of the problem of global warming — and even as to whether a problem exists at all — it is not surprising that there are differing views on what to do about it.
सालों से पर्यावरण समूहों ने प्रदूषण - मुक्‍त ऊर्जा स्रोतों के व्यापक इस्तेमाल को बढ़ावा दिया है ।