This story was originally published by Grist and is reproduced here as part of the Climate Desk collaboration.

The parts inside a standard toilet tank make it difficult to clean. The fill valve, overflow tube, flapper valve and flushing ...

The discovery of high levels of heavy metals in a popular fire retardant has added to long-running concerns from ...

The United Nations climate talks neared the end of their first week on Saturday with negotiators still at work on how much ...