By gerenme / Getty Images Ristretto, cold brew, shaken, filtered or Turkish style… Coffee is consumed in various forms throughout the world, according to cultural customs. Although its popularity shows no signs of diminishing, an increasing number of people are becoming aware of the drink’s not inconsiderable ecological cost. But caffeine addicts can at least reduce their environmental impact to some extent by embracing one or more of these solutions . A look at some of these options on International Coffee Day. Ristretto, cold brew, shaken, filtered or Turkish style… Coffee is consumed in…