Is human activity the leading cause of global warming?

An explanation of how we know that humans are the major cause of global warming. ... By matching the observed and modeled patterns, scientists can positively identify the "human fingerprints" associated with the changes, and they can also attribute the proportion of those changes to human activities. read more

Human activity is the leading cause of the current global warming. The earth has experienced many natural climate changes; the latest is the glacial-interglacial (cooling-warming) cycles that dominated the earth’s climate for the past several million years. read more

Most climate scientists agree the main cause of the current global warming trend is human expansion of the "greenhouse effect" 1 — warming that results when the atmosphere traps heat radiating from Earth toward space. Certain gases in the atmosphere block heat from escaping. read more

Global warming is the result of warming of earth and sea due to the increased concentration of greenhouse gases. The main cause of global warming is the human activities which emit greenhouse gas which is known as the greenhouse effect. When sunlight reaches the earth it is absorbed by the earth and warms it. read more