NOx pollution occurs when nitrogen oxides are released as a gas into the atmosphere during the high-temperature combustion of fossil fuels. These nitrogen oxides consist mainly of two molecules ...

NORFOLK, Va. — Acid rain is a serious environmental problem caused by air pollution. It forms when sulfur dioxide and ...

Rain is one of nature’s most fascinating processes, yet most people take it for granted. Every drop that falls from the sky ...

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Learn the cause and effect of acid rain. Read environmental news articles on how acid rain takes nutrients from the soil, leads to stunted forests and more.

Molecular biology articles from across Nature Portfolio Molecular Biology is the field of biology that studies the composition, structure and interactions of cellular molecules such as nucleic ...