Climate Emergency

DEFINITION
Roberto Hernández Juárez
SDG Climate Emergency Activist, Consultant, and Researcher

In both English and Spanish, “climate emergency” and “climate crisis” are synonymous terms that convey the urgency and magnitude of the issue’s impacts. However, the term “emergency” also denotes a binding legal act that empowers the authority to act immediately and citizens to demand compliance, ensuring protection for present and future generations.

A climate emergency is a formal declaration issued by a competent authority, most often at the highest level of government. It is an acknowledgement of an urgent and immediate threat affecting areas such as public health, food security, migration, or social justice caused by climate change. Such threads manifest in phenomena like extreme heatwaves, wildfires, floods, glacier melt, or biodiversity loss.

Beyond its symbolic force, the act carries a crucial legal and political dimension, as it serves as an official mechanism that enables authorities to mobilize economic, human, and logistical resources in an extraordinary and rapid manner, while also committing them legally to implement urgent and specific measures. The legal and political measures possible under a climate emergency declaration vary depending on the specific contexts of the issuing authority.

By formally recognizing these risks, governments shift responsibility from deferred future commitments to immediate, accountable action, creating a framework through which citizens can demand concrete results. This is a relevant conceptual shift: Climate change is no longer framed as a distant or hypothetical challenge, but as an ongoing crisis shaping everyday life.

At both national and international levels, these declarations reinforce commitments to multilateral cooperation and planetary stewardship, as such crises rarely end at national borders. Moreover, environmental disruptions increasingly drive displacement and exacerbate existing social vulnerabilities, contributing to migration crises among affected communities across the globe.

RESEARCH
Definition edited by Zohra Briki
Fact-checking by Hailey Basiouny

March 12, 2026