Hurricane Katrina, tropical cyclone that struck the southeastern United States in August 2005, breaching levees and causing widespread death and damage. Ultimately, the storm caused more than $160 billion in damage, and it reduced the population of New Orleans by 29 percent between the fall of 2005 and 2011.| Encyclopedia Britannica
Discover the European Commission's proposals to transform the EU into a modern, resource-efficient and competitive economy while reaching climate neutrality by 2050.| European Commission