The Marshall Islands, a low-lying Pacific nation with 59,194 residents across 29 coral atolls, confronts severe climate vulnerabilities. Sea levels have risen 10-15 cm since 1993, with rates accelerating to 0.46 cm/year, causing frequent king tide inundations affecting 80% of Majuro dwellings. Extreme weather frequency has increased, with tropical cyclones and droughts intensifying due to warming oceans (+0.13°C/decade). Limited industrial activity keeps air quality stable, but data gaps hinder full assessment. Strong international advocacy contrasts with domestic sustainability challenges like N/A recycling rates.