communities

Community Education Harford Neighborhood College

Early types of fermentation also enhanced levels of atmospheric methane. The transition to an oxygen-dominant atmosphere did not start till about two.4–2.3 billion years ago, but photosynthetic processes started .3 to 1 billion years prior. Species are broadly categorized as autotrophs , heterotrophs , and Detritivores . Autotrophs are organisms that generate their own meals by photosynthesis or chemosynthesis. Heterotrophs are organisms that must feed on other individuals for nourishment and power . In a preceding blog post, we’ve noted the value of “third places” in strengthening communities – which means these locations that are neither one’s home nor workspace...

South Korea Demographic Time Bomb: It Is Aging More Rapidly Than Any Other Created Nation With Lowest Birth Rate Of Oecd Countries

Especially under proper situations this increasing population of skilled, increasingly healthy and active folks, with lots of spare time can engage in numerous sustainability initiatives at the local level. Third, despite the fact that UN population projections are produced at the country level1, cities represent both these areas exactly where most elderly men and women will reside in the near future and an arena, exactly where the recent demographic transitions have unfolded and the new ones will emerge26. Thus an urban perspective is required when identifying the sustainability challenges and opportunities emerging through the demographic transition posed by an ageing...