Datafolha's survey shows that 851% of Brazilians believe the planet is warming, and 72% agree that human activities are a major contributor to this phenomenon. The survey interviewed 2,086 people in 130 cities across the country on July 4 and 5.
The survey shows that the percentage of people who say they are well informed about climate change has decreased compared to the previous decade. Overall, 89% of people have heard of global warming. Of this percentage, 28% say they are well informed, 43% say they are more or less informed, and 17% say they are poorly informed. In 2010, 34% of Brazilians said they were well informed and 11% said they were poorly informed. The survey also found that the level of acceptance of climate change is higher among people with higher education. Among those who have studied up to higher education, 92% believe in global warming, compared to 76% of those with elementary education.
