How Many Cats Are In The World? Global Cat Population 2024 The USDA estimates 30 to 80 million stray, feral, and neglected cats in the US, which is a decrease from the previous number of 60 to 100 million reported by the NCBI The only way to stop the growth of the overpopulation of cats is to have laws aimed at people who refrain from spaying and neutering their cats and to encourage community
Basic Information about Coral Reefs - US EPA In the U S , the U S Geological Survey estimates that coral reefs in the Atlantic, Caribbean and Pacific Islands regions help generate billions in annual tourism dollars, yield ~$100 million (annually) in commercial fisheries and protect tens of thousands of lives and billions in property and economic activity from flooding and erosion
There have been five mass extinctions in Earths history There’s a natural background rate to the timing and frequency of extinctions: 10% of species are lost every million years, 30% every 10 million years, and 65% every 100 million years 2 It would be wrong to assume that species going extinct is out of line with what we would expect
SCIENTIFIC CORRESPONDENCE - Nature found in a sample of 100 individuals, as a guide to species numbers, inferring that more species are present when E(S 100) is higher But E(S100) measures evenness, not species richness Very