To preserve our planet, scientists tell us we must reduce the amount of CO2 in the atmosphere from its current level of 400 parts per million ("ppm")to below 350 ppm. But 350 is more than a number—it's a symbol of where we need to head as a planet.
At 350.org, we're building a global grassroots movement to solve the climate crisis and push for policies that will put the world on track to get to 350 ppm.
Em palavras, desenhos, ou qualquer outra forma no dorso dum cartão postal, queremos ouvir de pessoas do mundo inteiro, porque vale a pena que você, sua comunidade, e o resto do mundo visem a 350 partes por milhão?
Scientists say that 350 parts per million CO2 in the atmosphere is the safe limit for humanity. Learn more about 350—what it means, where it came from, and how to get there. Read More »
Climate Movement Success Stories
Submit your success story from your work in the climate movement and we'll share the best ones on our blog and social networks! Stories from people like you are crucial tools in growing the climate movement.