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As of 2021 the remaining carbon budget for a 50-50 chance of staying below 1.5 degrees of warming is 460 bn tonnes of CO 2 or 11 + 1 ⁄ 2 years at 2020 emission rates. [13] Global average greenhouse gas per person per year in the late 2010s was about 7 tonnes [14] – including 0.7 tonnes CO 2 eq food, 1.1 tonnes from the home, and 0.8 tonnes from transport. [15]
Sustainable development overlaps with the idea of sustainability which is a normative concept. [5] UNESCO formulated a distinction between the two concepts as follows: "Sustainability is often thought of as a long-term goal (i.e. a more sustainable world), while sustainable development refers to the many processes and pathways to achieve it." [6]
Countries responsible for two-thirds of global emissions have made commitments to curb their greenhouse gas production. That group includes some of the biggest emitters like China, India and the U.S. China, the world’s biggest carbon producer, has promised that its carbon emissions will peak by 2030.
Climate change can also be used more broadly to include changes to the climate that have happened throughout Earth's history. [32] Global warming—used as early as 1975 [33] —became the more popular term after NASA climate scientist James Hansen used it in his 1988 testimony in the U.S. Senate. [34] Since the 2000s, climate change has ...
Forms are aspatial in that they have no spatial dimensions, and thus no orientation in space, nor do they even (like the point) have a location. [17] They are non-physical, but they are not in the mind. Forms are extra-mental (i.e. real in the strictest sense of the word). [18] A Form is an objective "blueprint" of perfection. [19]
The argument over the underlying nature of ideas is opened by Plato, whose exposition of his theory of forms—which recurs and accumulates over the course of his many dialogs—appropriates and adds a new sense to the Greek word for things that are "seen" (re. εἶδος) that highlights those elements of perception which are encountered without material or objective reference available to ...
The Machines at any time could make the planet unlivable for humans but they never do. The humans actually have the bright idea to block out the sun because the Machines are primarily solar powered.
The students could have joined forces with the SCLC, [44] an already existing organization, but that would have been a poor bureaucratizing decision, as they would succumb to old ideologies. New and progressive ideas that challenge prior authority are crucial to social change. The declining of a social movement does not necessarily mean failure.