Satellite & Environment: Avio will launch Copernicus Sentinel-3C from French Guiana on Sept. 14, adding to Sentinel-3A/3B to boost free monitoring of oceans, land, ice and the atmosphere, including sea surface temperatures, sea levels, ocean colour and algal bloom detection. Mosquito-Borne Health Alert: The CDC is warning travelers about chikungunya in Costa Rica’s Guanacaste Province and urges vaccination where available plus repellent and protective clothing; symptoms can include severe joint pain that may last months. Border Health & Pollution: France is pushing for joint action with Suriname over illegal gold mining near the Marowijne River, where reported mercury and arsenic contamination levels are far above WHO limits and Indigenous communities say they’re exposed daily via water and food. Hepatitis Update: Eurostat reports viral hepatitis deaths in the EU fell to the lowest level since 2011, but Italy still has the highest mortality rates, with remote French regions including French Guiana among those tracked. Public Health Travel Risk (Broader): Chikungunya is also flagged as active in French Guiana and other places, with travelers advised to reduce mosquito exposure. Regional Governance & Funding: CARICOM’s tax administrators meet in Georgetown as Dr. Carla Barnett calls for smarter, data-driven, AI-enabled tax systems to secure more resilient, home-grown financing. Maritime Rescue & Aftermath: Survivors from the St Vincent VII sinking have returned home, after a nine-day ordeal at sea; one captain later died following rescue. Illegal Mining Tech: Brazil’s “gold fingerprinting” lab uses forensic analysis to trace seized gold back to protected areas, aiming to curb illegal extraction and mercury-linked harm. Disaster Response Question: A report questions the US response to Guyana’s MV Barima tragedy, contrasting it with France, Trinidad and Tobago and Brazil’s on-the-ground search efforts.