As humans we are part of the environment. With over 7.5 billion of us on Earth, our combined actions also have a big impact on the environment. As long as we are aware of the impact, we can do things as individuals, and working together as groups, to lessen the detrimental impact of billions of people. Explore important topics like air quality, water quality, the effects of climate change, and many others to make informed decisions about caring for our planet.

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Do you know where the oxygen you breathe comes from? It is produced by plants during photosynthesis! Photosynthesis is a process that plants use to convert sunlight into energy for themselves to live and grow. You can do an experiment called the floating leaf disk assay to see photosynthesis in action. Can you spot the oxygen bubbles that make the plant leaves float? Written instructions are available on our website at…
Free science fair projects.