Climate change


Climate change is defined by the Intergovernmental Panel on Climate Change (IPCC) as “a change in the state of the climate that can be identified (e.g., using statistical tests) by changes in the mean and/or variability of its properties, and that persists for an extended period, typically decades or longer.” Climate change can be caused by natural internal processes or external forces, as well as chronic anthropogenic changes in the atmosphere or land usage.

Climate change is defined as “a change in climate that is attributed directly or indirectly to human activity that alters the composition of the global atmosphere and is in addition to natural climate variability observed over comparable time periods,” according to the United Nations Framework Convention on Climate Change (UNFCCC).

Depending on the circumstances, either of these concepts may be appropriate for disaster risk reduction. The UNFCCC definition is more limited since it excludes climate change caused by natural factors. For popular communication, the IPCC definition can be summarized as “A change in the climate that lasts decades or longer, resulting from natural or human-caused causes.”


  • HG (2020, February 22). Common Terminologies (A-z) Of Disaster Risk Reduction & Management. Humanitarian Global. Retrieved December 6, 2023, from Link