Democrats plan to propose an amendment on the national security implications of climate change when the House Armed Services Committee (HASC) marks up its fiscal year 2018 defense authorization bill June 28.Rep. Jim Langevin (D-R.I.), the ranking member of the HASC's emerging threats and capabilities subcommittee, is expected to spearhead the amendment.While President Donald Trump has expressed skepticism about climate change, defense officials have warned that the massive melting of ice in the Arctic could open the region to more activity by…
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