I = PAT that human population may stabilize at around 11.2 billion in 2100, the I=PAT equation will continue to be relevant for the increasing human impact on the environment in the short to mid-term future. Increased population increases humans' environmental impact in many ways, which include but are not limited to: The variable A, in the I=PAT equation stands for affluence. It represents the average consumption of each person in the population. As the consumption of each person increases, the total environmental impact increases as well. A common proxy for measuring consumption is through GDP per capita. While GDP per capita measures
Pay per play Pay per play Pay per play (PPP), also known as cash per play (CPP), is an online advertising method that plays an audio advertisement on websites. The term "pay per play" comes from advertisers paying for each audio ad played. Also, the web page playing the audio ad is normally paid for each ad they serve. Ads are typically automatically played when a visitor loads a web page. Most commonly initiated via JavaScript, audio ads normally cannot be stopped once they start. Audio ads vary in length, and a website visitor will usually hear only one advertisement per visit to