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Climate change has fundamentally reshaped global human mobility, acting as a dominant and accelerating force behind mass displacement. Unpredictable weather patterns, rising sea levels, and catastrophic extreme heat are rendering vast swaths of the planet uninhabitable. A nearly 2026 report from the United Nations High Commissioner for Refugees reveals that almost 120 million people are displaced globally, with a staggering 75 percent residing in countries facing high-to-extreme exposure to climate-related hazards.

In early February 2026, the Federal Judicial Centre removed a chapter explaining climate science from the Reference Manual on Scientific Evidence. Judges used this manual to evaluate scientific testimony in U.S. courtrooms. The removal was prompted after Republican state attorneys argued that the chapter presented climate science in a manner that could influence litigation against fossil fuel companies. The chapter,

Scientists are exploring ways to turn the world’s submarine internet cables into climate-monitoring infrastructure. The infrastructure will be capable of detecting changes in ocean temperature, earthquakes, and deep-sea pressure shifts linked to climate change. The use of existing global infrastructure gives this idea added potential but also raises security concerns when modifying critical internet systems.

Governments and climate regulators are currently trying to determine how engineered carbon removal technologies should qualify for international carbon credit markets. Currently, the International Organization for Standardization (ISO) is developing and updating the technical standards to align with GHG reporting and climate management. The publication of the revised ISO 14001:2026 standard is planned for April 2026 with a transition period of three years. 

Federal climate regulation is at risk as the U.S. Environmental Protection Agency (EPA) rescinded the 2009 “endangerment finding” on February 12, 2026. The EPA called the engagement finding “the single largest deregulatory action in U.S. history.” States like California and Wisconsin, as well as several organizations, are preparing for a legal battle that could eventually reach the Supreme Court, which could take years. They argue that the U.S. could be left with far less ability to regulate emissions at a national level.

Scientists first suspected a link between greenhouse gases and climate in the mid-19th century. Swedish scientist Svante Arrhenius won the Nobel Prize in chemistry with calculations in 1897 that linked burning coal to global warming. From that time onwards, scientists took up studying this linkage with better tools, more resources, and coordination.