Tata Group's Sustainability Efforts:

1. Renewable Energy: Tata Power, a subsidiary of Tata Group, has invested heavily in renewable energy sources like solar and wind power.

2. Energy Efficiency: Tata Group companies have implemented energy-efficient practices, reducing energy consumption and greenhouse gas emissions.

3. Water Conservation: Tata Steel and Tata Chemicals have implemented water-saving measures and wastewater treatment plants.

Philanthropic Initiatives:

1. Tata Trusts: Ratan Tata chairs Tata Trusts, which supports environmental conservation projects, such as reforestation and wildlife conservation.

2. The Tata Water Mission: Aimed at providing clean water access to rural communities.

3. Support for Environmental NGOs: Tata Trusts has partnered with organizations like the World Wildlife Fund (WWF) and The Energy and Resources Institute (TERI).

Personal Initiatives:

1. Electric Vehicle Adoption: Ratan Tata has invested in and promoted electric vehicle (EV) startups, encouraging sustainable transportation.

2. Sustainable Agriculture: He has supported initiatives promoting sustainable agriculture practices and farmer empowerment.

Ratan Tata's commitment to environmental sustainability and social responsibility has made a positive impact on the planet and inspired others to follow suit.