Context: World Earth Day is observed annually on 22nd April to raise global awareness about environmental protection and to encourage sustainable practices.

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• The Theme for Earth Day 2025 is 'Our Power, Our Planet,' which aims to unite everyone for renewable energy and make an effort to achieve the "triple clean electricity" target by 2030 
• Earth Day is now globally coordinated by a non-profit organization EARTHDAY.ORG. It was formerly known as Earth Day Network.

Historical background

• Earth Day was founded in 1970 by Senator Gaylord Nelson of the United States of America after witnessing a massive oil spill in Santa Barbara, California, in 1969. 
• In 1990, Earth Day went truly global, mobilising 200 million people in 141 countries and lifting environmental issues onto the world stage.
• In 2009, the United Nations designated Earth Day as International Mother Earth Day.
• The landmark Paris Agreement, which brings almost 200 countries together to set a common target to reduce global greenhouse gas emissions, was signed on Earth Day 2016.

Significance of the Day

• The Day highlights critical environmental issues such as climate change, deforestation, loss of biodiversity, plastic pollution, and the need for renewable energy. 
• It encourages governments, industries, and individuals to adopt eco-friendly policies and habits, aiming to build a more sustainable future. 
• It serves as a platform for businesses to demonstrate environmental responsibility often driven by consumer expectations and investor interest in ESG (Environmental, Social, and Governance) metrics.
• Antonique Smith, a Grammy-nominated singer, actress, and long-time climate activist, has been named the official Earth Day ambassador for Earth Day 2025.