Olivia Ohlson

Campaigning for world leaders to act on climate change since she was 15 years old.

Campaigning to build wells in Africa since he was 6 years old.

Fighting for clean and safe water in the USA since she was 8 years old.

Protecting Powai Lake in the suburbs of the city of Mumbai since he was 13 years old.

Campaigning to raise awareness about air pollution since she was 16 years old.

Campaigning for access to clean water for Canada’s indigenous communities since she was 8 years old.

Fighting to end violence in the favelas in Rio De Janeiro since she was 11 years old.

Raising awareness of the effects of the Syrian civil war and calling for peace since she was 6 years old.

Campaigning for the protection of the natural world since she was 11 years old.

Collecting basic supplies for those in need since she was 5 years old.

Making stuffed toys for children in hospital since he was 9 years old.

Fighting to end child labour since he was 12 years old.

Unifying children to work together towards world peace since she was 16 years old.

Campaigning for equality in the disabled community since she was 3 years old.

Vegan and animal rights activist since she was 3 years old.

Challenging the representation of girls and women in society since she was 11 years old.

Running a marathon in 10 days to raise money for homeless people when he was 7 years old.

Raising funds for an orphaned rhino since he was 8 years old.

Fundraising for the farmers whose incomes have been affected by drought in Australia since he was 11 years old.

Inspiring girls to learn about and aspire to work in science and technology subjects since she was 16 years old.

Fundraising to help children suffering from ulcerative colitis since she was 5 years old.

Creating and growing a bank that helps children save money by recycling since he was 12 years old.

Collecting and distributing food to those in need since he was 4 years old.

Campaigning for the protection of wild animals since she was 8 years old.

Planting trees every time he scored a football goal since he was 11 years old.

Designing technology to supply electricity and water without emitting greenhouse gases since he was 15 years old.

Handing out meals to homeless people since he was 10 years old.

Campaigning on girls’ right to education since she was 8 years old.

Campaigning for the banning of plastic bags in Bali since they were 10 and 12 years old.

Educating disadvantaged children using the internet since they were 15 years old.

Fighting to get rid of plastic straws since she was 9 years old.

Helping transform the lives of refugees since she was 5 years old.

Developing a device that produces energy from rainwater since she was 14 years old.

Campaigning for the right to education since she was 8 years old.

Collecting and distributing shoes to those in need when she was 10 years old.

Collecting and distributing basic supplies to those in need since he was 6 years old.

Fighting to end slavery since he was 12 years old.

Developing a robot to search for plastics in the ocean since she was 12 years old.

Raising awareness of the need to take Covid-19 precautions since he was 11 years old.

Raising awareness about ocean plastic pollution since she was 14 years old.

Improving education for Syrian Refugee children since he was 12 years old.

Designing a solar powered ironing cart to reduce charcoal burning in India since she was 12 years old.

Petitioning for schools to give children reusable water bottles since he was 7 years old.

Campaigning for people and businesses to stop using single-use plastics since they were 10 and 12 years old.

Sleeping out to raise money for North Devon hospice since he was 10 years old.

Fundraising for the hospital that saved his life since he was 5 years old.

Designing an edible water bottle when she was 12 years old.

Saving the lives of hundreds of hedgehogs in the UK since they were 9 years old.

Wrote a children’s’ book about refugees when he was 9 years old.

Raising money and awareness about organ donation since she was born.

Campaigning to promote proper battery disposal and recycling since he was 10 years old.

Campaigning against water waste since she was 10 years old.

Campaigning for people and businesses to stop using single-use plastics since they were 10 and 12 years old.

The world’s youngest sustainability advocate – working to make the world a better place since she was 3 years old.

Spreading the word about wildlife conservation since he was 4 years old.

Solving the problem of water contamination using science and technology since she was 11 years old.

Raising money for children fighting cancer since they were 9 years old.

Helping homeless people since he was 5 years old.

Petitioning to change organ donation laws since he was 9 years old.

Raising money and awareness for brain tumours since he was 6 years old.