In April 2026, which country hosted the 'World Energy Congress', focusing on the theme 'Transition to Net-Zero'?

In April 2026, which Indian city was recognized as the 'World Tree City' for the fourth consecutive year by the Arbor Day Foundation?

In March 2026, which country's parliament passed the 'Green Architecture Mandate', requiring all new commercial buildings to have at least 50% rooftop greenery?

In April 2026, which Indian state became the first to implement 'Vertical Forests' in all new government high-rise buildings to combat urban heat islands?

In April 2026, which country hosted the 'World Summit on Space Sustainability'?

In April 2026, which Indian city was officially declared as the 'Global Sustainability Capital' by a UN agency?