भारत में राष्ट्रीय वृक्षारोपण उत्सव 'वन महोत्सव' प्रतिवर्ष किस तारीख से शुरू होता है?

Which of India's neighboring countries was the first nation in the world to be officially 'Carbon Negative'?

Which international agreement aims to limit global temperature rise below 2 deg C?

According to the United Nations, if no urgent action is taken, what is the expected percentage increase in exposure to air pollution beyond safe levels within this decade?