Kolkata's BM Birla Heart Hospital hosts knowledge sharing workshop on Redo Valve Cardiac Surgery

Ozone hole recovery accelerates: 2025 size among lowest in decades, NASA reports

While continental in scale, the ozone hole over the Antarctic was small in 2025 compared to previous years and remains on track to recover later this century, NASA and the National Oceanic and Atmospheric Administration (NOAA) reported.

Delhi orders 50% office attendance as toxic air triggers GRAP-3

Delhi’s worsening air pollution has pushed the city into GRAP-3, prompting the government and private offices to operate with only 50 percent staff on-site, while the rest work from home.

Malaria vaccine just got cheaper! Gavi and UNICEF slash prices in major deal

COP30 in Belém delivers huge climate finance push

In a pivotal outcome at COP30 in Belém, Brazil, countries agreed on a sweeping package to scale up climate finance and accelerate implementation of the Paris Agreement – but without a clear commitment to move away from fossil fuels.