A reprezentative sample of n=100793 from 5 years on the most serious global problem. Get the tidy dataset from our repository or API. Subject Numbrer Datasets Environmental Protection 2/2 Government Budget Allocations for R&D in Environment Environment’s Share in Total Government Budget Allocations for R&D Climate change 1/1 Most Serious Global Problem: Climate Change (Percentage of European Individuals) For Climate change subject, as recognized by the Library of Congress Subject Headings, with variations Changes, Climatic, Changes in climate, Climate change, Climate change science, Climate changes, Climate variations, Climatic change, Climatic changes–Environmental aspects, Climatic fluctuations, Climatic variations, Global climate changes, Global climatic changes, we find 265 datasets, but after close inspection, only 25 are tabular data in csv or xlsx files.