Explanation:
The effect of global warming is that the temperature of earth is rising very highly ,many glacier and glacier lakes are being melted and the water level is rising very highly in oceans and seas which may cause flood in most part of the world.
The three allusions Ralph Waldo Emerson makes are Francis Bacon, Irish dayworkers, Coeur-de Lions.
In the beginning of the "Society and Solitude" he talks about the capital and mentions how it is the want of animals spirits and in this excerpt appears all these three.
"The capital defect of cold, arid natures is the want of animal spirits. They seem a power incredible, as if God should raise the dead. The recluse witnesses what others perform by their aid, with a kind of fear. It is as much out of his possibility as the prowess of <em>Coeur-de-Lion</em>, or an <em>Irishman's day's-work</em> on the railroad. [...] As <em>Bacon</em> said of manners, “To obtain them, it only needs not to despise them,"