The best information about ecotourism and environmental issues is at www.planeta.com. Discover Baja, a membership club for Baja travelers, has links and info at www.discoverbaja.com. Links to Los Cabos businesses and other information are available at www.bajalife.com, www.baja-web.com, and www.loscabosguide.com.
Google (www.google.com) does currency conversion. Just type in the amount you want to convert and an explanation of how you want it converted (e.g., "14 Swiss francs in dollars"), and then voilà. Oanda.com (www.oanda.com) also allows you to print out a handy table with the current day's conversion rates. XE.com (www.xe.com) is a good currency conversion Web site.
Transportation Security Administration (TSA;. www.tsa.gov).
Timeanddate.com (www.timeanddate.com/worldclock) provides the correct time for all time zones.
Accuweather.com (www.accuweather.com) is an independent weather-forecasting service with good coverage of hurricanes. Weather.com (www.weather.com) is the Web site for the Weather Channel.
CIA World Factbook (www.odci.gov/cia/publications/factbook/index.html) has profiles of every country in the world. It's a good source if you need some quick facts and figures.