India, Oct. 15 -- The world has breached seven of the nine planetary boundaries-"critical processes that regulate stability, resilience, and the conditions that support life on Earth"-states the third edition of "Planetary Health Check". Authored by nearly 70 scientists, the report released in September 2026 says that four planetary boundaries-climate change; change in biosphere integrity; modification of biogeochemical flows; introduction of novel entities (such as plastic) stand "strongly transgressed". Three boundaries-land system change, freshwater change and ocean acidification-have been "transgressed". One boundary, atmospheric aerosol loading, is within the safe operating space globally, but with significant regional transgression....