Eco-Friendly Biogas Logo Design

I'm seeking a talented designer to create a logo for my biogas company. The logo should convey an eco-friendly and natural vibe.

Key requirements:
- Incorporate a leaf or plant element
- Modern, sleek, or professional design options are welcome
- Color scheme is flexible based on your expertise

Ideal skills and experience:
- Strong portfolio in eco-friendly or natural-themed logos
- Proficiency in vector graphic design
- Creativity in integrating natural elements with corporate identity

Please share relevant work samples with your bids. Looking forward to your proposals!