Statistics and Mathematics

• Calculators: Mathematics, Algebra, Geometry, Graphing, Calculus
• Eurostat: European Statistics
• French National Institute For Statistics & Economic Studies
• Hohli Online Chart Builder: Dynamically Create Bar Charts, Pie Charts, etc
• Infographics: Flowing Data Tutorials: Simple Data Design Rules
• Infographics: Gapminder: Visual Data of World Trends
• Infographics: Many Eyes Online Data Visualisation Service
• Infographics: Piktochart: Create Your Own Free Infographic
• Infographics: Tableau Public Software: Free Tool Create Own Data Visuals
• Infographics: Visual.ly: Create Data Visualisaions for Free
• Infographics: World Bank eAtlas of Global Development Data
• Khan Academy Computing, Hour of Code
• Neighbourhood Statistics: UK Government Stats On Population, Housing,
• Office For National Statistics
• Photomath: Scan a Mathematics Problem for an Instant Result
• Statistica: Statistics from Government & Market Research Sources
• Tourism Statistics

Science

• Alpha Galileo: The Internet Press Centre For European Science
• British Association For The Advancement Of Science
• Cambridge University Online Chemical Laboratory
• Chem Industry: Portal For Chemical Industry
• Chem Web: Online Chemistry Community
• Community Of Science
• Encyclopedia of Earth: Environment, Interaction with Society, Articles, Images,
• IO9: Science, Science Fiction, the Future
• NASA Headquarters
• Periodic Table Of Elements
• Royal Society Of Chemistry
• Science Across The World
• Science News for Students
• Time Zones: Current Time Around The World
• UK Research Councils
• Planet Science 
• Weights & Measures Metric To Imperial Conversions

Weather

• BBC Weather UK & World 5 Day Forecast
• Environmental Agency: UK Rainfall & Water Situation Reports
• Isle of Man 3 Day Weather Forecast
• Magic Seaweed: Ronaldsway Wind Reports
• Magic Seaweed: Wind & Surf Reports for Surfing Spots in World
• Meteorological Office
• Weather Accu: Detailed Weather Forecast by the Hour, Paris (Centigrade)

Environment

• Conservation Holidays
• EnviroLink
• Environment Agency
• Forestry Commission
• Friends Of The Earth
• Greenpeace
• Macaulay Library: Sounds & Videos of Animals, Wildlife, Includes Bird Sounds
• National Trust
• National Trust For Scotland
• Royal Society For The Protection Of Birds
• We Love Animals: Animals in the Environment