Sustainable Architecture firm needs logo design that connects its mission with nature

This is what M R Carlson Inc or MRCI was looking for in their logo design

We need a logo design for our sustainable architecture firm. We have a 25+ year commitment to sustainable design and consulting. We are a small company. I envision a design an element from nature. Maybe a leaf, veins of a leaf, or an abstract tree shape? Could be light/dark greens and could incorporate other tree colors light oranges/golds/deep reds. Somewhat abstract is better. Simple is good. Should look OK when printed in gray shades. It will be used on web site (color), letterhead & business card (color), and architectural drawing's title block (in gray shades). Could be a graphic that includes the full name of the company,
M R Carlson Inc., or it could incorporate the initials MRCI into the logo. We practice primarily in the United States, pacific NW. Read more