Ai Weiwei is a Chinese contemporary artist and activist known for his large-scale sculptures and installations made from recycled materials, often addressing social and environmental issues.

Forest of Hope is a public art project that involves planting trees in urban areas to create living sculptures, with the aim of raising awareness about climate change and promoting sustainability.

Olafur Eliasson is a Danish-Icelandic artist known for his large-scale installations and sculptures that explore the relationship between nature and technology. His "Ice Watch" project involved displaying melting ice sculptures in public spaces to symbolize the urgency of climate change.

Climate Canvas is a public art project that uses solar-powered LED lights to create a visual representation of climate data, such as temperature changes and sea level rise, in urban spaces.

Mandy Barker is a British artist known for her work that addresses environmental issues. Her "Sea Change" project involved creating a series of sculptures that resembled marine life using recycled plastic, highlighting the impact of plastic pollution on oceans.

Climate Mirror is a public art project that uses interactive projections to create a visual representation of the impact of climate change on a specific location, allowing viewers to see how the landscape might change in the future due to rising sea levels or other environmental factors.

Olafur Eliasson is a Danish-Icelandic artist known for his large-scale installations and sculptures that explore the relationship between nature and technology. His "Melting Ice" project involved creating ice sculptures to create a visual representation of the melting glaciers in Greenland, highlighting the impact of climate change on the Arctic region.

Vanishing Species is a public art project that uses recycled materials to create a series of sculptures that resemble endangered species, raising awareness about the importance of biodiversity and the need to protect these species from extinction.

Mel Chin is an American artist known for his work that addresses environmental issues. His "Carbon Sink" project involved planting trees and plants to create a living sculpture that absorbs carbon dioxide from the atmosphere, highlighting the role of forests in mitigating climate change.

Flooded Futures is a public art project that uses augmented reality to create a virtual representation of a flooded city, allowing viewers to experience the potential impacts of sea level rise and the need for adaptation and mitigation strategies.

Jenny Holzer is an American artist known for her work that uses text and language to explore social and political issues. Her "Weather Report" project involved creating a series of sculptures that change color and form based on the current weather conditions, highlighting the interconnectedness of art and the environment.

Wind Symphony is a public art project that uses wind turbines to create a series of kinetic sculptures that generate electricity and raise awareness about renewable energy. The project highlights the potential of wind energy as a clean and sustainable source of power.

Anish Kapoor is a British artist known for his large-scale sculptures and installations that explore the relationship between light, space, and form. His "Solar Sentinels" project involved creating a series of sculptures that track the movement of the sun and generate electricity, highlighting the potential of solar energy as a renewable source of power.

Coral Echoes is a public art project that uses recycled materials to create a series of sculptures that resemble coral reefs, raising awareness about the importance of marine ecosystems and the threats they face, such as climate change and pollution.

Olafur Eliasson is a Danish-Icelandic artist known for his large-scale installations and sculptures that explore the relationship between nature and technology. His "Climate Clock" project involved creating digital displays that show the remaining time humanity has to take action on climate change, raising awareness about the urgency of the issue.