In March 2026, which country's parliament passed the 'Green Architecture Mandate', requiring all new commercial buildings to have at least 50% rooftop greenery?
The ratio of land and water on Earth is 1:2. In the Northern Hemisphere, the ratio is 2:3. What is the ratio of land and water in the Southern Hemisphere?
In March 2026, which archaeological site in India was added to the UNESCO World Heritage list for its unique 'Step-well' architecture and urban planning?
In March 2026, the Ministry of Jal Shakti announced that which state has become the first to achieve 100% saturation in 'Grey Water Management' at the village level?