The document provides a summary of news stories from South America related to environment, science, technology, and health. The main stories discussed include:
1) The opening of the Galapagos Green Airport in Ecuador, touted as the first truly green and LEED Gold certified airport.
2) Research questioning the effectiveness of geoengineering schemes to seed the oceans with iron to stimulate algal growth and sequester carbon dioxide.
3) The discovery of four potentially habitable exoplanets within 22 light years of Earth.
4) The UN considering a worldwide ban on the vaccine preservative thimerosal despite previous research finding no link between it and autism.