What went right this week: people-powered climate justice, plus more

Key points

• Australia's high court has dismissed an appeal by MACH Energy against a ruling that the approval of the Mount Pleasant coal mine expansion was unlawful. Retired teachers Wendy Wales and Tony Lonergan brought the legal challenge.
• MACH Energy said it accepted the decision. The judgment sets a legal precedent for fossil fuel approvals across Australia.
• Elsewhere, a new therapy combining gene therapy with light-stimulating goggles showed a clinically meaningful increase in light sensitivity in six of 10 participants with advanced retinitis pigmentosa.