A positive feedback is sometimes called a vicious cycle. We all have experienced positive feedback effects. The most common one involves a microphone and a speaker. The electric circuit that connects a microphone to a speaker passes through an electronic amplifier. The amplifier magnifies the signal coming from the speaker and feeds this magnified signal… Continue reading What is a positive feedback? What role does it play in climate?–Paul Chan
Month: November 2021
Why do forests matter to the climate? – Paul Chan
On the second day of the Glasgow UN Climate Summit COP 26, a total of 100 countries pledge to halting and reversing deforestation. Why do forests matter to the climate? Land-clearing by humans accounts for almost a quarter of greenhouse gas emissions, largely deriving from deforestation for agricultural products such as palm oil, soy bean,… Continue reading Why do forests matter to the climate? – Paul Chan