A new report titled the Planetary Health Check 2026 has revealed that seven out of nine planetary boundaries—critical thresholds that define Earth's stable conditions—are being exceeded at the highest levels ever recorded. This signals growing strain on the planet’s natural systems that support life. The report, compiled by over 60 scientists from the Planetary Boundaries Science Lab at the Potsdam Institute for Climate Impact Research (PIK), identifies seven transgressed boundaries, including climate change, changes in biodiversity, land use transformation, freshwater availability, changes in chemical cycles, the introduction of new substances, and ocean acidification. Only the boundary related to stratospheric ozone depletion and atmospheric aerosol levels have shown some improvement in the past decade, though unsafe aerosol levels still exist in certain areas. The report highlights how human-driven climate change has worsened extreme weather events, with degraded ecosystems, water shortages, and social inequalities amplifying these effects. For example, Pakistan’s 2025 monsoon floods displaced over 6.9 million people, and ocean temperatures hit a new record in 2025. Hurricane Melissa quickly intensified to a Category 5 storm and hit Jamaica after forming over unusually warm waters. Between early 2023 and late 2025, about 84.4% of the world's coral reefs experienced heat stress severe enough to cause bleaching, the largest such event on record. In 2026, Western Europe faced its hottest June–July on record, with droughts and wildfires sweeping across France, Spain, Germany, and the UK. Similar extreme heat was also recorded in Japan, South Korea, and parts of the Middle East. The report also discusses how natural systems that absorb carbon, such as forests and oceans, are under increasing pressure. Repeated exposure to extreme heat, drought, and fire can weaken these systems, reducing their ability to take in carbon dioxide. In some areas, this degradation has turned ecosystems from carbon sinks—places that absorb more carbon than they emit—into carbon sources. Boris Sakschewski, a scientist at PIK and lead author of the report, warns that current climate models may overestimate the resilience of these natural carbon sinks. “Our path to net-zero emissions relies on functioning carbon sinks,” he said. “Current observations raise the alarm that our planet may be losing its buffering capacity against the increasing pressures we're putting on it.” Hindou Oumarou Ibrahim, chair of the Planetary Guardians—a group representing indigenous and local communities—stressed that the findings align with what people living in vulnerable regions have long observed. “These are not separate emergencies; the planet is telling us, in every region at once, that it is out of balance,” she said. Former Colombian president Juan Manuel Santos, co-vice chair of the Planetary Guardians, called for global cooperation, noting that no single country can restore the planet’s balance alone. The report was released just before Climate Week in New York City, a major event where world leaders, business executives, and activists gather to discuss climate action. However, despite the large turnout, Helen Clarkson, CEO of the Climate Group, noted that many participants seemed hesitant to openly address the issue of global heating, a phenomenon she described as “green-hushing.”