Earth Day 2025: 10 health and environmental benefits of sustainable diets

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Earth Day is celebrated every year to raise awareness about environmental protection and create awareness to safeguard the planet. While tree planting and recycling often take the spotlight, one of the most powerful ways you can contribute to a healthier Earth is through what you eat. Shifting to a sustainable diet, one rich in plants and low in red meat and processed foods, may support planetary health, and also boost personal well-being.

According to a study in PubMed , food production accounts for more than 25 percent of total greenhouse gas (GHG) emissions. At the same time, unhealthy diets high in processed meat, refined carbs , and added sugar are fueling rising rates of obesity , diabetes , and heart disease . However, the same dietary changes that improve human health can also help fight climate change.



Here are 10 health and environmental benefits of eating sustainably: Diet tips: Plant-based diets are often lower in calories and rich in fiber, helping people maintain healthier body weights and reduce obesity risk (Image: Canva).