निम्नलिखित में से क्या वैश्विक पर्यावरण में ह्रास का परिणाम नहीं है?

Degradation of the environment has caused biodiversity loss, higher CO₂ in the air and greater UV exposure (through ozone depletion). Landfills are a waste-disposal method created by people, not a result of environmental degradation.