A new study from the University of Cambridge has found that while people are increasingly concerned about sustainability, they often lack the knowledge to make informed decisions about their own behavior.

The study, which surveyed over 1,000 people in the UK, found that 80% of respondents were concerned about climate change and other environmental issues. However, only 40% of respondents could correctly identify the most effective ways to reduce their own carbon footprint.

The study's lead author, Dr. Emily Dawson, said that the findings suggest that people are interested in sustainability but need more information to make meaningful changes to their behavior.

"There is a clear need for more education and awareness about the environmental impact of our everyday actions," Dawson said. "We need to help people understand the connection between their choices and the wider environment."

The study found that the most effective way to reduce carbon emissions was to switch to renewable energy sources, such as solar or wind power. However, only 15% of respondents were aware of this fact.

Other effective ways to reduce carbon emissions include eating less meat, driving less, and insulating homes. However, only a minority of respondents were aware of these actions.

The study also found that people were more likely to make sustainable choices if they were aware of the environmental impact of their actions. For example, people who were aware that eating less meat could help to reduce greenhouse gas emissions were more likely to choose plant-based meals.

Dawson said that the findings suggest that education and awareness are key to promoting sustainable behavior.

"By providing people with the information they need, we can help them to make decisions that are good for the environment," Dawson said.

The study's findings are consistent with other research that has shown that people are often willing to make sustainable choices, but they need more information to do so.

In a 2019 study, researchers from the University of California, Berkeley, found that people were more likely to choose sustainable products if they were given information about the environmental impact of those products.

The study's lead author, Dr. Ayelet Gneezy, said that the findings suggest that businesses and policymakers can play a role in promoting sustainability by providing consumers with more information.

"By making it easier for people to make sustainable choices, we can help to create a more environmentally friendly future," Gneezy said.