Environmental disasters show how the impact of humans' alteration of the land has led to widespread and/or long-lasting consequences.
Environmental disasters have historically affected agriculture, wildlife biodiversity, the economy, and human health.
The most common causes include pollution that seeps into groundwater or a body of water, emissions into the atmosphere, and depletion of natural resources, industrial activity, and agricultural practices.
It concludes that, without concerted action, there could be upwards of 325 million people living in the 49 countries most exposed to the full range of natural hazards and climate extremes in 2040.
[17] Although the majority of the U.S. emissions that can contribute to climate change come from industry and transport, the people who were hit hardest by Katrina were not the heads of large companies within the country.