This week 375 scientists from around the world, including 30 Nobel Laureates, published an open letter about the threat of climate change. The letter warns against the consequences of opting out of the Paris Agreement—a dangerous idea floated by deniers amidst the U.S. presidential campaign. The Guardian

We are absolutely certain that we will have the Paris agreement entering into force by the end of 2016.

At 1.6 million square miles, sea ice reached its summer low on the 17th. The previous record, 1.31 million square miles, was set in 2012. Associated Press

The country is submitting proposals to parliament to cut the tax rate on bicycle, clothing, and shoe repairs from 25 percent to 12 percent, and to allow Swedes to claim just half of the cost of labor for repairing large appliances on their income taxes. The legislation would encourage people to fix the items they already have instead of throwing them away and buying new ones. Grist

Twenty-seven states are challenging Obama's climate plan in court, arguing that cutting carbon pollution poses an undue burden. But thanks to changes to the power market and new clean energy policies, many of those challengers are on track to hit the emissions targets anyway. Reuters

The government has announced that it will put together a plan this fall requiring all provinces to meet a federally established minimum price for fossil fuel pollution. The provinces will have the option of choosing either a carbon tax or a cap-and-trade program. The Globe and Mail

A new study of the killer haze from fires sparked by illegal slash-and-burn agriculture estimates that in 2015, the dense smog contributed to 100,300 premature deaths in Indonesia, Malaysia, and Singapore. The number is far higher than the estimate of 19 given by authorities. Quite a discrepancy, indeed. The Guardian

A major gasoline pipeline that usually transports 1.3 million barrels a day from Houston to New York has been shut down since last Friday after leaking about 250,000 gallons of gas south of Birmingham. The EPA says the spill is contained, but the state of emergency allows fuel delivery truck drivers to exceed their maximum allowed driving hours in order to prevent fuel shortages. Sounds...safe? AL.com

U.N. Secretary-General Ban Ki-moon invited world leaders to join the landmark deal at an event on September 21, and so far at least 20 have agreed. That number will be added to the 27 countries that have ratified the Paris agreement thus far, bringing the world closer to putting it into action by the end of the year. Reuters

Records obtained through a Freedom of Information Act request show that the FDA found residues of the popular weed killer, the main ingredient in Roundup and a probable carcinogen, in honey. Some samples contained glyphosate in concentrations of 107 parts per billion—more than 50 ppb higher than the maximum allowed by the European Union. U.S. Right to Know