doctor lawrence haddad, - 620 to do the same. doctor lawrence haddad, thank . 620 to do the same.s two superpowers, china and america, have committed to do to fight global warming. but will these pledges help the countries that are literally on the front line of climate change? tuvalu is an island nation in the pacific ocean that has suffered due to increased temperatures and rising sea levels. samuelu laloniu is tuvalu�*s ambassador to the united nations. i spoke to him a little earlier and asked how urgent is the situation in tuvalu in regards to climate change. i have to say that tuvalu is the — i have to say that tuvalu is the most _ i have to say that tuvalu is the most vulnerable country to climate — the most vulnerable country to climate change, and i say that with _ climate change, and i say that with conviction because for one, — with conviction because for one. we _ with conviction because for one, we are already living the impact — one, we are already living the impact of— one, we are already living the impact of climate change as we speai<~ — impact of climate change a