"To measure the warming" means to collect data and evaluate how much the temperature of something, like the Earth or a region, is increasing over time. Full definition
We have directly measured warming of the oceans, for example, where about 90 percent of the human - caused heat has gone. (desmogblog.com)
Figure 8: Measuring warming trends with different start year leads to a different rate of warming, but the long - term trend remains unchanged. (ucsusa.org)
The team measured warming effects on CO2 uptake by plants and release by plants and microbes. (sciencedaily.com)