Don't fly anywhere unless you really have to. Airlines carried 4.3 billion passengers in 2018, an increase of 38 million compared to the year before. Aviation accounts for about 2 percent of global greenhouse gas emissions. Don't think that sounds like a lot? Scientists project fossil-fuel-related carbon dioxide emissions will hit a record high of 37.1 billion metric tons by the end of this year. 2% is 740 Million tonnes. 2019 will see approximately 55 million flights worldwide averaging 13 tonnes of C02 per flight.
Don't go on cruises. One cruise ship creates as much daily pollution as one million cars. Princess Cruises has accumulated over $40 Million in fines for waste dumping.
Do you really need that new I-Phone? Is it really better than a two year old or three year old model?
Buy used clothing. There are a growing number of used clothing stores everywhere, often with a great variety of even designer clothing.
Buy food produced locally and grow some of your own. Even if you live in an apartment, you can grow a good crop of tomatoes, cucumbers or other easy to grow vegetables and herbs on a balcony.
Shower once every two to three days unless you have a laboring job. A quick wash with warm water is energy and water saving.
Use green shampoos and soaps or make your own. Reduce the amount you use by 50% by pouring half a bottle into another container and topping it off with water. You will find it works just as well.
Got two cars? See if you can get by on one. You will also be amazed at the savings Need two? Then think about a good used hybrid or an EV.
Use public transport if you need to go down town or someplace public transit is readily available. Cuts down on stress, pollution and you can text and / or read an E-Book during your trip.
If you use plastic bags for your kitchen garbage can, empty the contents of the bag into the garbage container; wash the bag out and re-use it. And, take your own reusable bag to the supermarket.
Own a home? Buy a composter. Even if you don't like gardening, the compost you create is great for spreading around the lawn and digging into the roots of a hedge or bushes. If you live in a condo or an apartment you can now buy a sanitary indoor composter. Don't like it in your kitchen? Locate it on a balcony.
Consider reducing your meat intake. As well as lowering your grocery budget, it's good for your health and the planet.