

In 1896, a seminal paper by Swedish scientist Svante Arrhenius first predicted that changes in atmospheric carbon dioxide levels could substantially alter the surface temperature through the greenhouse effect. In the 1860s, physicist John Tyndall recognized Earth's natural greenhouse effect and suggested that slight changes in the atmospheric composition could bring about climatic variations. In 1856, Eunice Foote discovered that blanket, showing that carbon dioxide and water vapor in Earth's atmosphere trap escaping infrared (heat) radiation. He suggested something in the atmosphere must be acting like an insulating blanket. In 1824, Joseph Fourier calculated that an Earth-sized planet, at our distance from the Sun, ought to be much colder. al., "An astronomically dated record of Earth’s climate and its predictability over the last 66 million years," Science vol. Santer et.al., “ Contributions of Anthropogenic and Natural Forcing to Recent Tropopause Height Changes,” Science vol. Ramaswamy et.al., “ Anthropogenic and Natural Influences in the Evolution of Lower Stratospheric Cooling,” Science 311 (24 February 2006), 1138-1141ī.D. Hegerl, “ Detecting Greenhouse-Gas-Induced Climate Change with an Optimal Fingerprint Method,” Journal of Climate, v. Santer et.al., “ A search for human influences on the thermal structure of the atmosphere,” Nature vol 382, 4 July 1996, 39-46

Frigid worlds have cooled in their great age, their surfaces covered with icy oceans and frozen tundra.IPCC Sixth Assessment Report, WGI, Technical Summary.ī.D. Primordial worlds are rife in volcanic activity and the chaotic landscape of a world still forming. New Biomes: Two new world types have been added.By investing in multiple Affinities, rather than specializing in just one, players can unlock special hybrid Affinity units and upgrades. New Hybrid Units: Affinities are competing visions for the future of humanity.New Artifact System: Collect and combine powerful relics to unlock new perks, unit upgrades, and buildings for your faction on the new world.New Sponsors: Four new factions have been added to the game including Al Falah, nomad explorers descended from wealthy and resilient Middle Eastern states that possess a rich cultural and commercial heritage.
#CIVILIZATION BEYOND EARTH BACKGROUND UPGRADE#
New, Enhanced Diplomatic Options: Shape the diplomatic landscape by using political capital to upgrade your traits, change diplomatic relationships, and leverage the benefits of your allies’ traits.These dynamic sets of Traits also provide benefits and add to the new Diplomacy system, governed by the new Fear and Respect attributes. Dynamic Leader Traits: Players and AI Leaders alike unlock new Traits through gameplay and activate different combinations to respond to the changing world.The ocean provides a fully replayable map, new gameplay mechanics and strategic possibilities for players to reign supreme on their new world. Alien beasts with unique abilities inhabit the water and challenge the player in new ways.

Colonize the Ocean: Build floating settlements and access natural resources hidden beneath the seas of the alien planet.Rising Tide extends Beyond Earth to new frontiers on the planet’s surface and beneath its seas, adding even more choices and diplomatic options as you continue to build “just one more turn” toward a new vision for the future of humanity. Now, many decades after their first landfall on a new planet, the proud survivors of the first expeditions beyond Earth look up to see the skies darkened by a new breed of pioneers.īeyond Earth extended the Civilization franchise from its historical setting into the possible futures of science fiction. These newcomers were grounded not in the idealism of their predecessors, but on opportunism, resilience, ruthlessness, and above all a commitment to their own survival. From this tumultuous time, two new factions arose. Those left behind fell into a violent struggle over the quickly-diminishing resources on their barren home world. After the first wave of great colony ships departed Earth, the jubilation of humanity was short-lived.
