Moira Woodrow: Environmental effects of hydrogen Hydrogen in the environment: Hydrogen forms 0.15 % of the earth's crust, it is the major constituent of water. 0.5 ppm of hydrogen H2 and varial proportions as water vapour are present in the atmosphere. Hydrogen is also a majosr component of biomass, consituing the 14% by weight.Environmental stability: hydrogen occurs naturally in the atmosphere. The gas will be dissipated rapidly in well-ventilated areas. Effect on plants or animals: Any effect on animals would be related to oxygen deficient environments. No adverse effect is anticipated to occur to plant life, except for frost produced in the presence of rapidly expanding gases. Effect on aquatic life: No evidence is currently available on the effect of hydrogen on aquatic life....Show more
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