Many readers come across headlines that talk about US native Americans yet again suing the US government, and sigh and expect very little. But fundamental to the efforts of climate change campaigners everywhere have been these tiny pockets of resistance that are associated with documents whereby the US formed its nation. Treaties signed with Native Indians are afforded in courts almost the same significance as the constitution. So when Alaskan natives said this week they had sued the Trump administration because they are concealing documents on the effects of oil development in the long protected Arctic National Wildlife Refuge, the move is important. This is not a forlorn single lawyer practice taking on the deeply embedded US national interest, it…