Greta Thunberg, a Swedish climate activist, initiated the "Fridays for Future" movement in 2018, inspiring global school strikes to demand climate action.

"350.org" aims to limit global carbon dioxide concentrations to 350 parts per million, a level scientists believe is necessary to avoid catastrophic climate change.

Extinction Rebellion, a global environmental movement, employs nonviolent civil disobedience to raise awareness about the urgency of the climate crisis.

The "Divestment Movement" aims to pressure institutions and individuals to withdraw investments from fossil fuel companies and reallocate them to sustainable and renewable energy sources.

The "Earth Hour" campaign, which encourages individuals and businesses to turn off their lights for an hour to raise awareness about climate change, is organized by the World Wildlife Fund (WWF).

The "Climate Justice Alliance" focuses on supporting grassroots movements and empowering marginalized communities to take action against climate change and its disproportionate impacts on vulnerable populations.

Climate Camp, a UK-based climate activist group, employs the "Blockadia" strategy, which involves setting up temporary camps near fossil fuel infrastructure to disrupt operations and raise awareness about the climate crisis.

The "Sunrise Movement" is a youth-led climate activist organization that advocates for a Green New Deal, a comprehensive plan to address climate change and create a sustainable economy.

The "100% Renewable" campaign, which advocates for a transition to 100% renewable energy sources, is led by the Renewable Energy Policy Network for the 21st Century (REN21).

The "Climate Reality Project" focuses on educating the public about climate science, training climate activists, and advocating for climate solutions.

Ende Gelände, a German climate activist group, organizes mass nonviolent civil disobedience actions, such as blockades of coal mines and power plants, to raise awareness about the urgency of climate action.

The "Global Climate Strike" movement organizes mass protests and strikes to demand that governments take urgent action to address the climate crisis.

The "Rainforest Action Network" is a non-profit organization that focuses on protecting rainforests and promoting sustainable land use practices.

The "Climate Leadership Council" advocates for a carbon tax and dividend system as a market-based solution to reduce greenhouse gas emissions.

The "By2020WeRiseUp" campaign, led by a coalition of climate activist organizations, aims to mobilize mass protests and civil disobedience actions to demand urgent climate action.