Today more than 40 health experts voice their opposition to the EPA Proposed Rule, Strengthening Transparency in Regulatory Science, in a letter to the EPA. As scientists and health professionals we recognize the importance of data sharing and replicability in scientific practice and discourse; but, this proposed rule is about stifling science, not improving it, and could lead to the dismantling of many important EPA regulations that protect children from toxic chemicals and pollutants. We would welcome an open dialogue to improve science-based decisions across the federal government. But we stand united in firm opposition to this proposed rule. Read the full TENDR Letter.