What does Global Warming Potential (GWP) measure?

• A. The volume of greenhouse gases produced
• B. How much heat a gas traps compared to CO2
• C. The amount of carbon sequestered by forests
• D. The rate of temperature increase globally

Answer: (B)

Global Warming Potential (GWP) is a metric that measures how much heat a greenhouse gas can trap in the atmosphere over a specified period, compared to carbon dioxide (CO2). This measurement is crucial for understanding the impact of various gases on global warming, as different gases have varying abilities to absorb heat.

For instance, while CO2 has a GWP of 1 (as it is the reference point), gases like methane and nitrous oxide have higher GWP values, indicating they are significantly more effective at trapping heat. This understanding aids in assessing the contributions of various gases to climate change and helps inform regulations and environmental policies.

Other options do not accurately capture the essence of what GWP measures. The volume of greenhouse gases produced is related to emissions data, while carbon sequestration pertains to the ability of natural processes, like forests, to absorb CO2. Lastly, the rate of temperature increase globally encompasses broader climate trends rather than focusing specifically on the heat-trapping capacity of individual gases.