toxic - Containing poison; harmful or deadly if eaten, breathed in, or absorbed., air polution - Air pollution is the presence of harmful substances in the air that can damage the environment, human health, and living organisms, climat - Climate is the long-term pattern of weather conditions in a particular area, including temperature, rainfall, humidity, and wind, natural - Existing in or coming from nature; not made or changed by humans., wild fires - Wildfires are large, uncontrolled fires that spread quickly over forests, grasslands, or other natural areas., smoke - toxic smoke, human activetes - Human activities are actions or behaviors carried out by people that can affect the environment, vulconic - vulconic eruptions, wild - Living or growing in nature without human control or cultivation., glabal warming - Global warming is the long-term increase in Earth's average surface temperature due to human activities, such as the emission of greenhouse gases.,

Ecological problem

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